High-Quality Multi-Layer Plastic Extruder Machine Factory & Service

Next-Gen Co-Extrusion Engineering Solutions for Global Packaging and Thermoforming Enterprises

Wenzhou Yicai Machinery Technology Co., LTD.

The machinery industry is an highly demanding and technology-intensive manufacturing field requiring precise design, complex material processing, and advanced control interfaces. Founded in 2010 under the name "Ruian Seven Star Machinery", our brand rebranded in 2022 to Wenzhou Yicai Machinery Technology Co., LTD. to expand its international reach and launch advanced engineering concepts. Located in East China's prominent coastal hub, Zhejiang Province, Yicai Machinery operates with a customer-centric ethos, prioritizing technical excellence and stable post-sales execution.

From initial processing, structural welding, and components assembly to final commissioning under load, we design high-precision co-extrusion and thermoforming lines. Our systems support multiple polymers (PP, PS, PET, PLA) with optimized configurations to reduce material waste, support post-consumer recycled materials (PCR), and conserve energy on the factory floor.

2010
Established
3000㎡+
Floor Space
30+
Tech Experts
1M+
USD Turnover
Factory Environment 1 Factory Environment 2 Factory Environment 3 Factory Environment 4

Global Procurement Demands & Sourcing Outlook

Strategic analysis of multi-layer extrusion market challenges: driving efficiency, structural compliance, and raw material optimization.

Global industrial manufacturers face strict regulations regarding food packaging, environmental footprint, and product stability. In regions like North America, Europe, and Asia-Pacific, plastic sheet packaging production must shift to co-extrusion technology. By separating materials into multi-layer sheet structures (such as ABA, ABC, or multi-layer barrier films incorporating EVOH), manufacturers can place post-consumer recycled (PCR) materials or cost-efficient calcium carbonate fillers in the core layer, while utilizing premium food-grade virgin polymers for the outer skin layer.

This strategic adjustment reduces overall material costs by up to 30% without affecting the visual appeal, seal integrity, or mechanical properties of the end product (such as cups, containers, or lids). Modern procurement departments evaluate co-extrusion lines based on criteria like screw life, energy usage per unit of output, and the integration of sheet extrusion with down-line high-speed multi-station thermoforming machines.

Material Versatility & Recycled Resin Usage

Extruders must process recycled PET flakes, post-industrial scrap, and bio-based polymers like PLA alongside virgin resins without losing thickness consistency or thermal stability.

Energy and Thermal Footprint Optimization

Energy-efficient barrel heating systems, optimized L/D ratios, and in-line recycling loops cut carbon emissions and lower processing costs per ton of extruded sheet.

Production Uptime and Global Support

Procuring entities require quick support, standard electrical layouts (Siemens, Omron, Schneider), and modular screw systems to minimize down-time during material changes.

A Win-Win Business Philosophy

How Wenzhou Yicai Machinery delivers value across the entire machine lifecycle through dedicated engineering services.

Customized Service

We configure system components to match your exact production needs, including unique co-extrusion feedblocks, sheet-die configurations, and custom automation interfaces.

Innovative Ability

We transition machinery configurations from manual operations to fully automated, PLC-controlled high-speed lines to keep pace with changing market demands.

High-Quality Products

Our structures, screw alloys, and calendars undergo precise heat-treatment and stress-relief processing to perform reliably under continuous industrial workloads.

Pre-Sales Consulting

Our sales and application engineers analyze raw materials, output target requirements, and factory floor spaces to optimize extrusion setups before shipping.

Global Vision

Exporting machinery across Asia, the Americas, Europe, and the Middle East gives us a deep understanding of varied regional industrial standards, import tariffs, and logistics flows.

High Quality Supply Chain

We source key motors, drives, PLC controllers, and heaters from reputable global suppliers (like Omron, Schneider, Siemens) to ensure long-term stability.

Professional Team

Our experienced staff handles machine design, steel processing, precision control wiring, programming, and trial testing to maintain strict quality standards.

After-Sales Service

We provide comprehensive documentation, video commissioning guides, spare parts support, and engineer dispatch for on-site calibration and setup.

Technology Roadmap & Next-Generation Solutions

Discover the engineering systems that support high outputs, precise thickness control, and reliable multi-layer structural performance.

Co-Extrusion Tech

Our advanced feedblocks combine melt streams from multiple extruders into precise layer designs (like ABA, ABC, or ABCBA). This lets you bury recycled materials or calcium carbonate fillers in the center of the sheet while maintaining pure virgin surfaces for printing, food safety, and seal stability.

High-Performance Screws

Optimized L/D ratios (usually 30:1 or 33:1) with custom flight profiles and barrier sections prevent thermal degradation of heat-sensitive polymers. These configurations increase output speeds while ensuring consistent melt temperature control across a range of resin batches.

Precision Calendars

Our three-roll polishing calendars feature internal water/oil cooling channels. Dynamic pressure control across the rolls handles variations in sheet thickness, ensuring the flat, smooth finishes needed for high-speed thermoforming and clear visual properties.

Future Roadmap: Integrating AI Automation & Material Sustainability

As sustainable options like PLA, starch-based polymers, and post-consumer recycled (PCR) PET become more common, Yicai Machinery is designing smart, automated extrusion systems. We are integrating gravimetric dosing setups, real-time closed-loop thickness gauges, and automatic adjustments on the T-die. These additions help operators maintain strict tolerances and high outputs while processing recycled raw materials, reducing setup times and scrap rates.

Industrial Applications & Formed Products

Our multi-layer plastic sheet extruders supply high-quality feed stock for thermoforming and printing plants globally.

Transparent plastic cup

Transparent Cups

Plastic food tray

Plastic Food Trays

Juice transparent cup

Juice Cups

Plastic grain tray

Industrial Packaging

Milk tea cup

Milk Tea Cups

Fast food box

Food Containers

Packaging Food

Barrier Lid Sheets

After-Sales Service

High-Density Film Rolls

Expert Engineering FAQ

Get answers to common technical questions about multi-layer extrusion, co-extrusion feedblocks, and sheet calibration.

Q1: What are the main benefits of using a multi-layer co-extrusion sheet machine over single-layer? +
Multi-layer systems let you split the sheet structure into distinct functional zones. For example, a three-layer ABA structure can use cost-efficient recycled polymer or mineral fillers in the core (B), while using food-safe virgin resin for the outer layers (A). This approach lowers material costs while maintaining the look, feel, and structural strength of the sheet.
Q2: Which plastic materials can Wenzhou Yicai extruder machines process? +
Our multi-layer extrusion lines are configured to process a wide variety of polymers, including Polypropylene (PP), Polystyrene (PS), Polyethylene Terephthalate (PET), High-Impact Polystyrene (HIPS), and bio-based Polylactic Acid (PLA) for compostable packaging applications.
Q3: How do you ensure uniform thickness across the entire width of the extruded sheet? +
We use precision-engineered T-dies with internal coat-hanger flow distribution layouts. The die lip features micro-adjustable push-pull bolts that allow operators to fine-tune the gap. Combined with stable melt pressures from the extruder and cooling roll calibration, this system keeps thickness variations within minimal tolerances.
Q4: What heating and control configurations are used in Yicai extruders? +
Our machines feature cast-aluminum heaters paired with quiet cooling blowers for responsive temperature management. Control systems utilize PLC touchscreens with auto-tuning PID algorithms, ensuring stable temperatures within ±1°C to prevent polymer shear and degradation.
Q5: Can these extruders run in-line with down-stream thermoforming equipment? +
Yes, our extrusion units can connect directly with multi-station thermoforming lines. In-line layouts feed the hot extruded sheet directly into the forming station, preserving thermal energy, reducing reheating times, and lowering the overall energy footprint of the line.
Q6: How do you assist international buyers with installation and commissioning? +
We supply complete electrical schematics, foundation plans, and operation manuals. We also offer remote video inspections, factory testing runs before shipment, and can send skilled technicians to assist with layout, assembly, wiring, and start-up calibration.

Start Your Co-Extrusion Project Today

Get in touch with our engineering team for customized equipment designs, line layout planning, and competitive export quotations.

Factory Location

101, Unit 1, Building 20, Zilai Industrial Park, Wanquan Town, Pingyang County, Wenzhou City, Zhejiang Province, China