High-Quality Automatic Injection Molding Machine Factories & Products

Empowering Global Polymer Packaging with Advanced Precision Thermoforming, Sheet Extrusion & Multi-Color Curved Offset Printing Solutions

Corporate Profile: Wenzhou Yicai Machinery Technology Co., LTD.

Building the future of polymer thermoforming, sheet extrusion, and high-speed multi-color printing from Zhejiang's premier packaging machinery cluster.

The machinery industry is an essential manufacturing sector requiring robust technical support, including hardware structural design, metallurgical thermal processing, electrical automation, and integrated software controls. Modern manufacturers face dual challenges: high international competition and strict expectations for environmental protection and energy conservation.

Wenzhou Yicai Machinery Technology Co., LTD. (formerly known as "Ruian Seven Star Machinery" founded in 2010 and rebranded in 2022) focuses on developing high-performance thermoforming machines, curved offset printing presses, and plastic sheet co-extrusion systems. Backed by our engineering design division and automated assembly configurations, we provide global plastic packaging facilities with solutions that lower carbon emissions, reduce polymer waste, and improve operational longevity.

Our company leverages integrated manufacturing setups in Wenzhou, Wanquan, and Pingyang to manufacture standardized systems as well as tailored production lines for clients worldwide. By selecting reputable international component suppliers, we reduce mechanical wear and help customers avoid safety and production risks.

Wenzhou Yicai Machinery operates with a commitment to engineering excellence. We believe in providing clear specifications, honest lead times, and comprehensive support services so that our partners can procure machinery with confidence and achieve reliable long-term performance.

2010
Founded & Established
3000+
Production Space (㎡)
30+
Technical Personnel
1000k+
Annual Turnover ($)

Core Pillars of Our Business Philosophy

We deliver complete engineering and service systems structured to ensure operational reliability, high processing performance, and market adaptability.

Customized Service

We configure production systems around our clients' specific product profiles, including customized extrusion screw designs, specialized mold shapes, custom colors, and component layouts to ensure a proper operational fit.

Innovative Ability

We work to integrate advanced technologies into our product line. Our R&D efforts focus on moving systems from basic manual control to modern automated setups featuring digital servo drives and remote diagnostics.

High-Quality Products

We implement quality management steps throughout assembly. Our machines use thick structural plates, precision-machined elements, and robust components designed to limit mechanical vibration and maintain forming accuracy.

Pre-Sales Consulting

Our sales and technical teams work together to evaluate client production demands, providing facility layout proposals, energy assessments, and cycle-time calculations to assist in system planning.

Global Vision

Our machinery is exported to various international markets. We are familiar with international container shipping standards, border documentation, and regional electrical safety requirements.

High Quality Supply Chain

We source key components like pneumatics, PLCs, and temperature systems from established brands (Siemens, Omron, Festo) to support operational reliability and simplify replacement part sourcing.

Professional Team

Our team includes experienced assembly workers, R&D engineers, and export specialists who work to ensure projects are processed correctly from design through to final testing.

After-Sales Service

We provide after-sales assistance, including video guidance, troubleshooting support, spare parts delivery, and field service visits to help clients maintain machine operation.

Whitepaper: Sourcing Plastic Processing Machinery from China

The global demand for high-output plastic packaging and container production has led manufacturers to optimize their procurement strategies. Sourcing thermoforming machinery and sheet extruders from specialized industrial hubs like Wenzhou in Zhejiang Province offers significant advantages. Wenzhou has built a comprehensive packaging machinery cluster, bringing together engineering expertise, specialized metallurgy, and logistics services. This dense cluster allows factories to shorten lead times, manage raw material costs, and perform rapid customization.

Supply Chain and Engineering Strengths in Zhejiang

Our production facilities in Pingyang and Wanquan Town benefit from direct access to regional component suppliers and metal treatment centers. This proximity allows us to rapidly prototype components, customize tooling, and source high-quality structural steel. Crucially, the regional concentration of technical talent supports continuous improvement in servo-motor programming, pneumatic control design, and thermal profiling.

Addressing Modern Manufacturing Demands

Modern packaging facilities face pressure to handle diverse raw materials, reduce energy usage, and limit polymer waste. High-efficiency automatic thermoforming and extrusion lines are designed to address these concerns:

  • Material Flexibility: Extruders and thermoformers are engineered to process not only traditional PP, PS, and PET, but also biodegradable polymers such as Polylactic Acid (PLA) and starch blends.
  • Waste Minimization: Integrated auxiliary equipment, like online crushers, allows for the immediate granulating and recycling of skeleton trim back into the extruder feed, keeping material waste low.
  • Energy Efficiency: Multi-zone heating elements and PID controllers reduce electricity usage in thermoforming ovens, helping facilities manage utility costs.

Quality Verification and Assembly Steps

To ensure high performance in 24/7 production environments, our assembly process includes several quality steps:

  • Component Selection: Integrating electrical controls and pneumatics from established brands (such as Omron, Siemens, and Festo) ensures reliable operation and simplifies the sourcing of replacement parts locally.
  • Precision Machining: Main frames and moving plates are constructed from heavy, stress-relieved steel to withstand high clamping pressures without deformation.
  • Trial Runs: Every machine is set up and tested with target materials at our facility to confirm mechanical, thermal, and electrical performance before it is packed for shipment.

All-Round OEM & ODM Service System

From initial technical consultation through to final shipping, our quality assurance systems are structured to support your production goals.

Product Quality

Product Quality Commitment

We implement quality assurance procedures throughout the manufacturing process, covering raw material check-in, component machining, mechanical assembly, electrical wiring, and pre-shipment tests.

Customer First

Customization Focus

We work to adapt machine features to our clients' operational requirements. We coordinate closely on details like voltage configurations, processing speeds, raw materials, and mold cavities to meet production targets.

Process Control

Order Tracking & Delivery

Our team tracks each project from manufacturing through to shipping. We provide regular status updates and schedule pre-delivery tests to verify that the equipment is configured correctly and ready for install.

Core Machinery & Tooling Matrix

We provide a range of machinery designed to cover the entire plastic packaging production cycle, from raw sheet extrusion to printing and final packaging.

Thermoforming Machine

High-efficiency thermoforming equipment engineered for forming, cutting, and stacking food containers, trays, and lids in a continuous cycle.

Plastic Sheet Extrusion Machine

Multi-layer and single-layer extrusion systems designed to produce calibrated plastic sheets with consistent thickness profiles.

Disposable Cup Printing Machine

Curved offset printing presses built to apply logos and graphics in up to six colors on conical plastic and paper cups.

Paper Cup Packing Machine

Automated bagging and wrapping machines that count, stack, and pack finished paper cups into plastic sleeves.

Thermoforming Mold

Precision-milled aluminum and steel molds featuring optimized cooling channels to maintain fast forming cycle times.

Bucket Printing Machine

Specialized industrial printing systems designed to handle cylindrical pails, dairy tubs, and large-format packaging containers.

Industrial Application Scenarios

Our machinery is utilized globally to manufacture a wide variety of polymer containers and packaging elements for the food service and packaging sectors.

Transparent plastic cup

Transparent plastic cup

Plastic food tray

Plastic food tray

Juice transparent cup

Juice transparent cup

Plastic grain tray

Plastic grain tray

Milk tea cup

Milk tea cup

Fast food box

Fast food box

Packaging Food

Packaging Food

After-Sales Service

After-Sales Service Support

Manufacturing Facility & Assembly Workshop

A look inside our 3,000㎡ factory facility where CNC machining, electrical assembly, and pre-shipment test runs are conducted.

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Industrial Q&A: Plastic Machinery Sourcing & Tech Details

Review answers to common questions regarding machine design, material handling, energy usage, and order support.

Q1: What is the main difference between multi-station thermoforming and traditional injection molding?
A: Multi-station thermoforming works by heating flat extruded plastic sheets and stretching them into a mold using vacuum or pressure, which allows for fast cycle times and lower tooling costs for thin-walled containers like cups and lids. Traditional injection molding melts polymer granules and injects them under high pressure into a steel cavity, which is better suited for complex 3D parts with varying wall thicknesses but requires higher tooling and machinery investments.
Q2: What materials can Yicai sheet extrusion machines process?
A: Our sheet extrusion systems are designed to process standard thermoplastics such as Polypropylene (PP), Polystyrene (PS), and Polyethylene Terephthalate (PET), as well as bio-based materials like Polylactic Acid (PLA). The machines are configured with specific screw designs to support consistent polymer melting and output quality.
Q3: How does the inline edge material crusher help reduce production waste?
A: During thermoforming, the remaining skeletal scrap sheet is routed directly into the inline crusher. The crusher grinds this material back into granules and feeds it directly back into the extruder feed hopper. This continuous recycling loop reduces material waste, keeps the material clean, and helps lower overall raw material costs.
Q4: Why choose a 6-color curved offset cup printer instead of digital printing?
A: Curved offset printing is built for high-speed, large-volume production of conical cups, achieving speeds of up to 400 cups per minute. It offers a much lower cost-per-print compared to digital printing while maintaining good color accuracy and image detail across large production batches.
Q5: How is temperature accuracy maintained in your thermoforming ovens?
A: We use ceramic infrared heating elements organized in multi-zone arrays, controlled by Omron PID temperature modules and solid-state relays. This configuration allows operators to adjust the heat across different areas of the sheet, helping to prevent sagging and maintain consistent material thickness during forming.
Q6: Do you customize electrical systems for regional safety and voltage standards?
A: Yes. We configure the electrical cabinets, motor ratings, and wiring to match our clients' local standards (such as CE for Europe or UL/CSA for North America). This includes adapting the machines to regional power supplies, including 380V/50Hz, 220V/60Hz, or 460V/60Hz.
Q7: What are the standard maintenance requirements for thermoforming lines?
A: Regular maintenance includes checking the pneumatic system filters and seals, inspecting the toggle joint lubrication, and cleaning the heating elements and mold cooling channels. Using components from established brands like Festo and Omron helps extend service intervals and keeps maintenance straightforward.
Q8: What installation and setup support do you provide for new machinery?
A: We provide complete technical manuals, wiring schematics, and video setup guides. For new production lines, we can dispatch technicians to assist with machine installation, mold calibration, and operator training at the client's facility, alongside online diagnostics support.

Establish Connection: Technical Consultation & Inquiry

Reach out to our engineering and sales offices to discuss machinery layouts, customization options, or project quotes.

Contact Information

Contact our Wenzhou offices for technical assistance or custom mold design consultations.

Factory Address

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

Direct Phone Lines

+86-13968939397

+86-13958827517

Technical Support E-mail

[email protected]

[email protected]

Corporate Vision

"To be the industry's leading creator and service provider, to continuously promote the development of the industry and achieve sustainable development goals."

As a tech-driven enterprise in Zhejiang, Wenzhou Yicai Machinery Technology Co., LTD. works to provide production equipment and engineering solutions that support reliable operations and sustainable manufacturing practices.