China Plastic Profile Extrusion Line Factory
We build PVC and WPC profile extrusion lines for window and door profiles, cable trunking, skirting boards, decorative profiles and custom plastic profiles. Share your profile drawing, material, surface finish and output target, and we will configure the extruder, mold, vacuum calibration table, haul-off, cutter and optional finishing equipment for your production plan.
Everything You Need To Spec Your Profile Extrusion Line
Jump straight to the section that answers your question, from choosing a profile line and matching material to mold and calibration design and how to send us your drawing for a quote.
Profile Types
Window, WPC, trunking, custom
Line Categories
PVC, WPC, foam profile lines
Choose Your Line
Match a line to your profile
Line Configurations
Single, dual, custom setups
Problems To Avoid
Common sourcing mistakes
Material Differences
How material changes the line
Quality Control
Checks before every shipment
Mold And Calibration
Custom mold and cal design
Factory Capability
What we build in house
Project Process
Drawing to installation
Trial Run Evidence
Profiles run and tested
Quotation Checklist
What to send for a quote
FAQ
MOQ, lead time, voltage
Send Your Drawing
Send your profile drawing
Which Plastic Profile Do You Want To Produce?
Different profile products need different mold design, calibration methods, cooling length, haul-off control and surface finishing options. Pick your profile type to see the right line configuration direction.
For PVC-U window frames, door frames and multi-cavity construction profiles.
Dimensional accuracy, straightness, smooth visible surface and stable vacuum calibration.
For wire duct, cable trunking, base-and-cover channels and electrical installation profiles.
Cover fit, straightness, cutting accuracy, clean edges and stable production across different sizes.
For baseboards, flooring accessories and interior decoration profiles.
Smooth surface, profile shape stability, flexible mold change and optional lamination or printing.
For trim strips, corner profiles, edge profiles and custom interior decoration profiles.
Surface finish, color change, small-profile stability, mold flexibility and cost-efficient production.
For WPC decking, wall profiles, door frames, outdoor profiles and composite decoration profiles.
Moisture control, stable plasticizing, foaming or density control, cooling and surface treatment.
For profiles based on your drawing, sample photo or final application.
Profile shape, material, tolerance, surface finish and output target reviewed before line configuration.
Not sure which line fits? Send your profile drawing, material, surface finish and output target, and our team confirms the right configuration before you commit.
Plastic Profile Extrusion Lines We Build
Pick the line by your profile type, material, surface finish, tolerance and output target. Every line is configured with a suitable extruder, mold, vacuum calibration table, haul-off, cutter and optional finishing equipment.
PVC Window And Door Profile Extrusion Line
For PVC-U window frames, door profiles, sash profiles and multi-cavity construction profiles.
Stable dimensions, straight profile shape, smooth visible surface, balanced material flow and reliable vacuum calibration.
PVC mixing system, twin screw extruder, profile die, vacuum calibration table, cooling section, haul-off, cutting machine and stacker. Co-extrusion or lamination can be added by profile design.
PVC Cable Trunking Extrusion Line
For PVC cable trunking, wire duct, base-and-cover channels and electrical installation profiles.
Cover-and-base fitting, straightness, clean cutting edge, length accuracy and stable production across different sizes.
PVC mixer, twin screw extruder, cable trunking die, vacuum calibration table, haul-off, precision cutter and stacker. Punching, printing or multi-size mold packages can be added when needed.
PVC Skirting Board Extrusion Line
For PVC skirting boards, baseboards, flooring accessories and interior decoration profiles.
Smooth surface, stable profile shape, controlled foaming, easy mold change and optional surface decoration.
PVC mixing system, twin screw extruder, skirting board die, vacuum calibration table, haul-off, cutter and stacker. Lamination, printing, hot stamping or embossing can be added by surface requirement.
PVC Decorative Profile Extrusion Line
For trim strips, corner profiles, edge profiles, wall decoration profiles and custom interior profiles.
Surface finish, color change, small-profile stability, mold flexibility and cost-efficient production for different designs.
Twin screw extruder, profile die, vacuum calibration system, haul-off, cutter and collection table. Co-extrusion, printing, embossing or lamination can be planned for different profile styles.
WPC / PVC Profile Extrusion Line
For WPC decking, wall profiles, door frames, outdoor profiles and PVC/WPC composite decoration profiles.
Moisture control, stable plasticizing, density control, foaming stability, cooling, deformation control and surface treatment.
Raw material preparation, mixer or dryer, twin screw extruder, WPC/PVC profile die, calibration and cooling system, haul-off, cutter and stacker. Sanding, brushing, embossing or co-extrusion can be added by final product.
Custom Plastic Profile Extrusion Line
For custom plastic profiles based on your drawing, sample photo, material or final application.
Profile shape, wall thickness, tolerance, surface finish, material flow, cooling method and downstream handling.
The line is configured after we review your profile drawing, material, output target, surface requirement and production plan. Mold, calibration, haul-off, cutting and finishing are selected as one complete system.
Every Line Is Configured To Your Voltage And Standard
Before shipment we build each line to your local voltage, frequency and safety standard, then run it under load so you receive a line that is ready for your factory. When you send an inquiry, confirm your market, raw material, profile drawing and target output so our team can quote the correct extruder, mold, calibration and downstream configuration, along with the right spare parts and export documents for your country.
How To Choose The Right Plastic Profile Extrusion Line
A plastic profile extrusion line should be selected by your profile drawing, material, surface finish, tolerance, output target and downstream process, not only by extruder size.
What Profile Do You Want To Produce?
Window profiles, cable trunking, skirting boards, decorative profiles and WPC profiles each have different production priorities.
We configure the extruder, mold, calibration table, haul-off, cutter and finishing equipment by the final profile type.
Do You Have A Profile Drawing Or Sample?
The cross-section decides mold structure, material flow, vacuum sizing, cooling method and cutting support.
Send your CAD drawing, PDF drawing, sample photo or profile dimensions before line configuration.
What Material Will You Use?
PVC powder, PVC foam, WPC, PP, PE, ABS and recycled blends each need different screw design, feeding method and temperature control.
We review the material before recommending the extruder type, screw design and auxiliary equipment.
What Surface Finish Is Required?
Glossy, matte, laminated, embossed, printed, brushed, foiled or co-extruded profiles each need different downstream planning.
We can plan lamination, embossing, printing, sanding, brushing or co-extrusion options by your product.
What Tolerance Do You Need?
Window profiles, cable trunking and assembly profiles usually need tighter dimensional control than general decorative profiles.
We match the die, vacuum calibration table, cooling length and haul-off control with your tolerance requirement.
What Output Target Do You Expect?
Higher output is not decided by the extruder alone. It also depends on profile size, wall thickness, cooling, mold design and cutting speed.
We recommend the line capacity by kg/h, m/min or pieces/hour.
How Many Profile Sizes Or Designs?
If you plan to produce many profile types, mold change efficiency and line flexibility become important.
We can plan a flexible line layout, mold package and downstream arrangement for multiple profile designs.
Is The Profile For Indoor Or Outdoor Use?
Indoor decoration profiles and outdoor WPC or window profiles have different requirements for surface, stability and material performance.
We configure the line by your final application and market quality expectations.
What Downstream Process Is Needed?
Some profiles need lamination, punching, printing, embossing, sanding, brushing, cutting, stacking or packing after extrusion.
We include the required downstream equipment in the complete line proposal.
Not Sure Which Line Fits Your Product?
Send your profile drawing, material, surface requirement and output target. We will recommend a suitable line configuration for your plastic profile production plan.
Typical Plastic Profile Extrusion Line Configurations
A complete profile extrusion line is more than one extruder. The final configuration depends on your profile drawing, material, surface finish, output target, tolerance and downstream process.
Below are common line configurations for different plastic profile products. Each project can be adjusted by your profile shape, material formula, workshop layout and production plan.
PVC Window And Door Profile Line
Suitable ForPVC-U window frames, door profiles, sash profiles, multi-cavity profiles and construction profiles.
Standard Line FlowFor window and door profiles, mold design and vacuum calibration are critical. Multi-cavity profiles need balanced material flow, stable cooling and synchronized haul-off to control straightness, wall thickness and visible surface quality.
Optional Equipment
PVC Cable Trunking Line
Suitable ForPVC cable trunking, wire duct, U-channel profiles, base-and-cover channels and electrical installation profiles.
Standard Line FlowFor cable trunking, the line must control cover fit, straightness, cutting accuracy and clean edges. Base and cover profiles may require separate molds or matched mold design for smooth assembly.
Optional Equipment
PVC Skirting Board And Decorative Profile Line
Suitable ForPVC skirting boards, baseboards, decorative strips, corner profiles, edge profiles and interior trim profiles.
Standard Line FlowFor skirting boards and decorative profiles, surface appearance, shape stability, mold change and cost control are important. The line can be planned for different profile styles, colors and surface decoration methods.
Optional Equipment
WPC / PVC Composite Profile Line
Suitable ForWPC decking, wall profiles, door frames, outdoor profiles, composite decorative profiles and PVC/WPC profiles.
Standard Line FlowFor WPC profiles, raw material preparation is part of the line planning. Moisture control, stable plasticizing, density control, cooling length and surface treatment affect profile quality and production stability.
Optional EquipmentYou Only Pay For The Equipment Your Product Needs
Not every project needs every optional device. Share your profile drawing, material, target output and surface requirement, and we will recommend the line configuration that fits your production plan.
Common Problems To Avoid In Profile Extrusion
A profile line should be planned around the problems that show up in real production. Mold design, calibration, cooling, haul-off, cutting and material processing all decide the final profile quality.
We Design Out The Failure Points
Most profile defects trace back to a line that was quoted before the drawing, material and surface finish were confirmed. We review those first, then match the mold, calibration, cooling and downstream as one system so the problems on the right do not reach your floor.
The profile looks fine after extrusion, then bends, twists or shrinks after cooling, stacking or later use.
Unbalanced cooling, weak calibration, unstable haul-off, improper mold design or an unsuitable material formulation.
We review your profile drawing, wall thickness, material and output target before planning the mold, vacuum calibration table, cooling length and haul-off control.
Window profiles will not assemble well, cable trunking covers do not fit, or decorative profiles drift in size during continuous production.
Poor die flow balance, unstable vacuum sizing, insufficient cooling, speed fluctuation or a mismatch between mold and downstream equipment.
The die, calibrator, vacuum system, cooling section and haul-off are matched to your profile tolerance and application.
The surface shows waves, rough marks, uneven gloss, bubbles, flow lines or other defects that hurt appearance.
Unstable plasticizing, poor temperature control, an unsuitable formula, die flow problems, calibration contact issues or the wrong surface treatment plan.
We confirm the surface finish you need before configuration, whether glossy, matte, laminated, embossed, printed, brushed, foiled or co-extruded.
The line runs, but the profile is hard to adjust, speed stays low, dimensions drift or sample approval takes too long.
Mold, calibrator, cooling, haul-off and cutter were chosen separately instead of being planned as one complete system.
Profile die, vacuum calibration table and downstream equipment are reviewed together against your drawing, material and production target.
The profile turns brittle or yellowish, foam density runs uneven, size gets unstable, or it is hard to run for long production hours.
High filler ratio, recycled material variation, an unstable stabilizer system, poor plasticizing or incorrect temperature control.
We go through your PVC powder compound, filler ratio, foaming requirement and recycled material use before recommending the extruder and screw design.
WPC profiles show bubbles, rough surface, uneven density, weak structure, deformation or unstable output.
Wood powder moisture, poor mixing, unstable feeding, an unsuitable screw design, weak foaming control or not enough cooling.
WPC projects are planned together with raw material preparation, mixing, drying, extrusion, cooling and optional surface treatment.
Changing profile size or design takes too long, material waste climbs, and small-batch production becomes inefficient.
Too many profile designs, poor line layout, a heavy mold change process or downstream equipment that is not flexible enough.
For skirting boards, decorative profiles and cable trunking, we plan the layout for easier mold change and multi-profile production.
The quotation looks simple at first, then you find you need extra equipment for mixing, drying, punching, printing, lamination, embossing, sanding, brushing or packing.
The line was quoted before profile drawing, material, surface finish, output target and downstream process were confirmed.
We confirm the full production requirement before recommending the extrusion line, optional equipment and workshop layout.
Want To Reduce Production Risk Before Ordering?
Send your profile drawing, material, surface finish, output target and final application. We check the key production risks with you and recommend a line configuration that holds up in real production.
Warping and tolerance checked against your drawing
Surface finish planned before the line is quoted
Material and formula matched to screw design
Full line confirmed, no missing downstream equipment
Material Differences In Profile Extrusion
Different materials need different extrusion, calibration, cooling and surface treatment planning. Use this table to see how your material changes the line configuration.
| Material Type | Suitable Profiles | Main Production Concerns | Line Configuration Focus |
|---|---|---|---|
| Rigid PVCMost Common | Window profiles, door profiles, cable trunking, decorative profiles and construction profiles. | Dimensional stability, smooth surface, wall thickness, heat stability, filler ratio and long-time running. | PVC mixing system, twin screw extruder, balanced profile die, vacuum calibration table, stable cooling and synchronized haul-off. |
| PVC Foam | Skirting boards, baseboards, decorative profiles and lightweight interior profiles. | Foam density, surface smoothness, profile strength, shape stability, cutting quality and cost control. | Stable plasticizing, foaming control, suitable die design, vacuum calibration, cooling control and optional surface finishing. |
| WPC / PVC Composite | WPC decking, wall profiles, door frames, outdoor profiles and composite decorative profiles. | Wood powder moisture, mixing quality, feeding stability, bubbles, density control, deformation and surface texture. | Raw material preparation, mixing and drying, wear-resistant screw design, WPC profile die, longer cooling, sanding, brushing or embossing options. |
| PP / PE | Industrial profiles, edge profiles, protection profiles, sealing profiles and custom plastic profiles. | Material shrinkage, cooling speed, flexibility, straightness, dimensional control and cutting stability. | Single screw or customized extruder, suitable screw design, profile die, calibration method, cooling system and haul-off control. |
| ABS / Engineering Plastics | Technical profiles, appliance profiles, decorative profiles and custom industrial profiles. | Surface appearance, dimensional accuracy, impact performance, temperature control and material drying. | Drying system, suitable extruder, precise temperature control, profile die, calibration and stable downstream handling. |
| Recycled Material Blends | Cost-sensitive decorative profiles, construction profiles, WPC profiles and selected custom profiles. | Material variation, color difference, unstable plasticizing, surface defects, brittleness and output fluctuation. | Material review, feeding stability, screw design, filtration options, temperature control and trial run confirmation. |
Running a blend or a material not listed here? Send your material details and we confirm the extruder, screw design and downstream setup before quoting.
See How Your Material Changes The Line
Send your profile drawing, material information, surface requirement and output target. We check how the material affects your profile extrusion line configuration before quoting.
Quality Control Points For Profile Production
Profile quality is checked from drawing review to trial running. We focus on the details that decide stable production, easy assembly, surface appearance and final product consistency.
Profile Drawing Review
Profile shape, wall thickness, tolerance and surface requirements are reviewed before mold and line configuration.
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Want To Check Whether Your Profile Can Run Stably?
Send your profile drawing, material, surface requirement and output target. We review the key quality points before recommending the line configuration, so you know what to expect before you order.
Mold And Calibration For Stable Profile Production
For plastic profile extrusion, the mold and vacuum calibration system must be matched with your profile drawing, material, tolerance, surface requirement and output target.
The Die Is Built Around Your Cross-Section
The profile mold is developed by the cross-section, wall thickness, cavity structure, visible surface and final application of your profile. Window profiles, cable trunking, skirting boards, decorative profiles and WPC profiles cannot use the same die structure. Thin walls, thick sections, sharp corners, hollow cavities and fitting areas all change material flow and profile stability.
Before mold production, we review your drawing, sample photo, material, profile size, surface finish and expected output. That review cuts down problems like uneven flow, weak corners, surface marks, unstable dimensions, low line speed and long adjustment during trial running.
Calibration Holds The Shape Through Cooling
After the profile leaves the die, the vacuum calibration system helps it keep the required shape, size and surface condition during cooling. The calibration table, vacuum sizing blocks, cooling layout and haul-off speed have to work together, especially for profiles with tight tolerance, visible surfaces, cover fitting or complex cross-sections.
For each project, the calibration design is matched with the mold, material and production speed. Proper calibration controls straightness, shrinkage, deformation, surface contact and dimensional consistency, so the profile runs smoother in continuous production.
One System, Not Two Separate Parts
A profile mold should not be planned apart from the calibration table. If the die, calibrator, cooling and haul-off are not matched, the line may run slowly, the profile may be hard to adjust, or the final shape may go unstable after cooling.
Send your profile drawing, material, surface requirement, tolerance and output target. We check the mold and calibration requirements together before recommending the complete extrusion line configuration.
Factory Capability For Custom Profile Extrusion Lines
We build complete plastic profile extrusion lines by your profile drawing, material, surface requirement and production target. From line assembly, mold and calibration coordination to trial running, sample checking, export packing and installation guidance, each project is prepared so your PVC, WPC, skirting board, cable trunking, window profile or decorative profile production starts with a clear and workable configuration.
Line Assembly
Mold Machining
Calibration Setup
Extruder And Control
Trial Running
Sample Checking
Die And Tooling
Haul-off And Cutting
Inspection Bench
Surface Finishing
Export Packing
Loading And Shipment
How Your Profile Extrusion Line Project Works
From profile drawing review to trial running and shipment, each step is planned around your profile shape, material, surface requirement, output target and production conditions.
Profile Requirement Review
Send your profile drawing, sample photo, material, surface requirement, output target and final application. We check the profile shape, wall thickness, tolerance, visible surface, fitting areas and possible production risks before recommending a line direction.
Material And Process Discussion
PVC, PVC foam, WPC, PP, PE, ABS and recycled blends need different extrusion and cooling plans. We review your material, formula if available, surface finish and downstream process such as lamination, printing, embossing, sanding, brushing or punching.
Line Configuration Proposal
The extruder, screw design, mold, vacuum calibration table, cooling section, haul-off, cutter, stacker and optional equipment are selected by your profile project. The goal is to make the full line match your product, not only the extruder model.
Technical Quotation
The quotation is prepared with line components, main specifications, optional equipment, power requirement, line layout, delivery plan, spare parts and support items. This lets you compare the full production solution instead of only checking one machine price.
Mold, Calibration And Line Manufacturing
After confirmation, the profile mold, calibration system and extrusion line are prepared by the agreed configuration. Mold, vacuum calibration, cooling, haul-off and cutting are considered together to reduce adjustment problems during trial running.
Trial Run And Sample Check
Trial running can be arranged before shipment by the confirmed project conditions. Profile samples can be checked for shape, dimension, surface, straightness, cutting quality and fitting performance when applicable.
Packing, Shipment And Installation Support
After trial running and confirmation, the line is packed for export shipment. Operation manuals, wiring diagrams, spare parts list and installation guidance can be prepared to support line installation and start-up in your workshop.
Trial Run Evidence Before Shipment
Before shipment, trial running is arranged around your confirmed profile drawing, material and testing conditions, so you see the line working before it leaves our factory.
You do not have to wait until the line reaches your workshop to know it runs. During trial running you can check the line running status, profile samples, surface finish, key dimensions, cutting quality and fitting performance, and we can share photos or video for the markets we cannot ship a witness visit to.
- Line running status checked under load, not just powered on
- Profile samples measured for dimension, surface and straightness
- Cutting quality and cover fitting confirmed where it applies
- Trial run video and sample photos shared before you approve shipment
Quotation Checklist For Your Profile Line
To recommend a suitable plastic profile extrusion line, share the key details on the right. The more you tick off, the more accurately we configure the extruder, mold, calibration table, downstream equipment and optional finishing process.
Nothing here is mandatory to start a conversation. Send what you have, and we fill the gaps together before quoting.
Have these details ready?
FAQ About Plastic Profile Extrusion Lines
Common questions from buyers sourcing a profile line. Do not see yours here? Send your profile drawing and we answer it directly.
A profile drawing or sample photo is the best starting point. Material, profile size, wall thickness, surface finish, tolerance, output target and final application should also be confirmed. These details drive the extruder, mold, calibration table, cooling length, haul-off, cutter and optional finishing equipment.
Yes, one line can produce different profiles by changing molds when the material, profile size and cooling requirements stay in a suitable range. If the profiles differ a lot in width, wall thickness, material or output target, separate line planning gives better stability and production efficiency.
PVC window profiles usually need stronger control of multi-cavity structure, straightness, wall thickness and visible surface quality. Cable trunking lines focus more on base-and-cover fitting, clean cutting, length accuracy and multi-size production. The mold, calibration and downstream equipment are configured differently.
Warping usually traces back to uneven cooling, weak calibration, unsuitable mold design, unstable haul-off or material formulation. The line is planned around the profile drawing, wall thickness, cooling requirement and expected speed, so the profile holds its shape after cooling and stacking.
Dimensional control depends on the profile die, vacuum calibration table, cooling section and haul-off stability. For profiles with tight tolerance or assembly requirements, the mold and calibration system are matched carefully before trial running.
Surface quality can be affected by material formulation, plasticizing, temperature control, die flow, calibration contact and downstream finishing. If the profile needs a glossy, matte, laminated, embossed, printed, brushed or co-extruded surface, confirm it before line configuration.
Cable trunking needs stable dimensions for both base and cover profiles. Mold design, calibration accuracy, cooling balance and cutting stability all affect the fit. Trial samples can be checked for tight fit, loose fit, straightness and edge quality before shipment.
PVC foam profiles need stable plasticizing, foaming control, suitable die design and balanced cooling. For skirting boards and decorative profiles, density, surface smoothness, shape stability, cutting quality and finishing options are checked during line planning.
WPC profile extrusion leans heavily on raw material preparation. Wood powder moisture, mixing quality, feeding stability, screw design, density control, cooling and surface treatment all affect the final profile. Sanding, brushing, embossing or co-extrusion may be added by the product.
Do not pick the line by extruder model or output number alone. A complete profile line includes the right mold, calibration table, cooling system, haul-off, cutter, stacker and any required auxiliary or surface finishing equipment. Sending the drawing, material and production target builds a more complete configuration.
Start Your Profile Line Project With Maggie
Whether you need a line matched to your profile drawing, an upgrade on an existing one, or just help picking a direction, send what you have. Maggie replies personally within 24 hours with real configuration details and a clear next step.
Hi, I'm Maggie.
Your Profile Line Sales Contact
Every message here reaches me directly. Tell me about your profile and output needs and I come back with a line configuration and a real quote, not a brochure.
Your material, profile size, output target, or a profile drawing is enough to start. We supply profile extrusion, granulating, and recycling lines to factories and importers across 60+ countries.
Maggie
Sales, Zhangjiagang Qinxiang Machinery Co., Ltd.
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