Factory Tour

Factory Tour

Guangdong Defeng Material Co., Ltd. manufacturer production line
Guangdong Defeng Material Co., Ltd. manufacturer production line
production line

Sheet Extrusion & Thermoforming Production
Professional Manufacturer of PET / PETG / GAG Sheets & Thermoformed Products



01 — Sheet Extrusion Line

Sheet extrusion is a continuous manufacturing process in which polymer materials are heated, melted, mixed, co-extruded, calendered, and cooled to produce high-quality plastic sheets. A complete sheet extrusion line mainly consists of three key sections: extruders, die, and downstream equipment.

  • Extruder
    Raw materials are fed into the heated barrel, where they are heated, melted, and thoroughly mixed by the screw.
    The molten material is then filtered, pressure-stabilized, and precisely metered before entering the co-extrusion die.

    For our typical 3-layer structure (skin / core / skin), three extruders process the materials separately. The three molten layers are then combined through a co-extrusion feedblock to form a single sheet.

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  • Die
    The die evenly distributes and shapes the molten plastic into a flat sheet, while precisely controlling the sheet width, thickness, and melt flow to achieve consistent product quality.

  • Downstream Equipment
    The downstream equipment continuously draws the sheet from the die and provides precise control over sheet thickness and dimensions.
    Depending on the product requirements, the required surface treatment can be applied during the processing stage. After sufficient cooling, the sheet is trimmed, cut to the required size, or wound into rolls to produce the finished material according to customer specifications.

Core Advantages of Our Plastic Sheets

♻️Recyclable: Recyclable and environmentally friendly, supporting sustainable packaging solutions.

⚡ Anti-Static: Optional anti-static treatment for packaging electronic and precision components.

🌡️Temperature & Cold Resistance: Stable performance across a wide temperature range for versatile applications.

✨ High Transparency: Excellent clarity and light transmission for clear product visibility.

Production Advantages

Durable, high-quality plastic sheets with high IV, lower carbon footprint, recyclability, anti-static properties, temperature resistance, and high transparency, backed by stable high-volume production and fast delivery.

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oem/odm
02 —Thermoforming Production Line

Thermoforming is a process in which extruded plastic sheets are heated and softened, then formed against molds using vacuum or air pressure. After cooling and solidification, they are made into three-dimensional packaging products or containers. This process works together with sheet extrusion to achieve integrated “sheet-to-product” production.

  • Sheet Feeding & Heating
    Plastic sheets or rolls are fed into the heating oven and uniformly heated to the appropriate softening temperature to ensure good flexibility and formability.

  • Forming
    The softened sheet is transferred to the mold and formed by vacuum or air pressure, closely conforming to the mold cavity to create the required three-dimensional shape, such as trays, clamshells, and containers.

  • Cooling & Solidification
    Air cooling or mold cooling is used to solidify the formed products, ensuring dimensional stability and surface quality.

  • Demolding & Trimming
    After demolding, the products undergo cutting, edge trimming, and punching to achieve the required dimensions, followed by counting, stacking, and packaging.

Production Advantages

High precision and consistency. Widely used for trays, packaging boxes, and inserts in food, electronics, medical, and hardware industries. Suitable for both small-batch prototyping and large-scale production.

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Extensive & Vivid Colour Range

There are virtually no limits when it comes to adding colour to your packaging. We offer a full range of Pantone colours.

  • Colour plays a vital role in creating unique, recognizable packaging that stands out from the competition and strengthens brand identity.
  • Precise Colour Matching: We work closely with customers and masterbatch suppliers to achieve the exact colour required.
  • Advanced extrusion equipment ensures consistent colour across every production batch.

OEM / ODM

  • We undertake various OEM customized designs.
  • Non-Disclosure Agreement (NDA): Available to protect your intellectual property and designs.
  • Competitive pricing and complete production lines to meet your production needs.
  • Strictly follow customers’ specified processing requirements.
  • Welcome to discuss OEM or ODM cooperation with us.

R&D

We are committed to developing high-performance recyclable plastics to meet the needs of different customers. At the same time, we continuously develop more environmentally friendly products, such as:

  • RPET Sheets
  • High-Temperature-Resistant PET Sheets
  • RPET Thermoformed Trays
R&D

Guangdong Defeng Material Co., Ltd. factory production line 0