Weirui Intelligent – professionally dedicated to equipment

Guangdong Weirui Intelligent Equipment Co., Ltd

Leo@verysmartco.com

86 139 2963 5169

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Guangdong Weirui Intelligent Equipment Co., Ltd

WEIRUI INTELLIGENCE

Specializing in the R&D, design, and manufacturing of equipment for plastic woven packaging, paper packaging, flexible packaging, nonwoven fabrics, and related industries.

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About us

Guangdong Weirui Intelligent Equipment Co., Ltd

Guangdong Weirui Intelligent Equipment Co., Ltd. (formerly Shantou Yangge Machinery) specializes in the R&D, design, and manufacturing of equipment for plastic woven packaging, paper packaging, flexible packaging, non-woven fabrics, and other industries. The manufacturing philosophy of Weirui intelligence Equipment is: “Intelligently produce every roll—empower every layer.” Product range: ★ Series of plastic extrusion lamination and composite units—suitable for laminating base materials such as plastic woven fabric, paper, non-woven fabric, flexible packaging film, aluminum foil, bulk bags, tarpaulins, advertising banners, and BOPP colored film bags. ★ Series of multi-base-material center-seal tubular bag-making machines—suitable for three-in-one paper-plastic bags, two-in-one plastic-woven bags, multi-layer paper bags, and center-seal tubular bag production with large rolls. ★ Series of satellite flexographic printers and unit-type flexographic printers—suitable for printing on base materials such as plastic woven fabric, paper, non-woven fabric, and OPP film. ★ A series of other auxiliary products for the plastic woven industry, such as edge-inserting machines, rewinding machines, bottom-sealing machines, and more, as well as custom-made non-standard equipment according to customer requirements.

2006

Established in 2006

80 plus

Test data

5000 square meter

Test data

30 plus

Test data

Recommended Products

We specialize in the R&D, design, and manufacturing of equipment for plastic woven packaging, paper packaging, flexible packaging, nonwoven fabrics, and other related industries.

High-speed laminating and compounding machine

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Laminating and Composite Machine

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Center-seam composite machine

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Sold in multiple countries and regions

Leveraging robust in-house R&D capabilities, we have assembled a dedicated R&D team focused on technological upgrades in plastic woven packaging, paper packaging, flexible packaging, nonwoven fabrics, and other related fields. We continuously tackle core technologies and iteratively refine innovative solutions, with a steadfast commitment to the R&D, design, and manufacturing of intelligent equipment tailored to support various industries.

Non-standard customization

A well-established logistics network

Our Company

Company Strength

Intelligently manufacturing every roll—empowering every layer.

Qualifications and Honors

High-Electrostatic-Force Continuous Meltblown Spinning Production Line

High-Efficiency Dehumidifying Double-Sided, Dual-Host Plastic Extrusion and Lamination Unit

Automatic Ink-Feeding Offset Printing Paper and Plastic Tube-Forming, Center-Sealing, and Bag-Making Unit

Paper-plastic printing and tube-forming, seam-gluing bag-making machine with a tube-inserting and edge-folding device

Reciprocating Bag-Cutting Device for Paper-Plastic Bag-Making Machine

Fiber Analysis Equipment for Meltblown Spinning Production Lines

Automatic High-Efficiency Dewatering Device for Laminating and Composite Production Lines

Auxiliary Cooling and Edge-Trimming Device for Plastic Extrusion-Lamination Composite Line

Column-type Reel-Change and Unwinding Device for Plastic Extrusion Coating and Lamination Line

Automatic Roll-Change and Rewinding Device for a Dual-Head, Dual-Lamination Composite Production Line

Dual-Host, Dual-Lamination Composite Unit with Cast Film Lamination

Precision Online Punching and Adhesive Dispensing Unit for Bag-Making Machines

A production line for sewing bags in multilayer substrates

A meltblown fabric production device with adjustable spinning speed

News

News and Information

What is a center-seam composite machine?

2026-01-28

| Industry News

What is a center-seam composite machine?

The center-seam laminating machine is a specialized, automated piece of equipment designed for continuous bonding, pressing, or stitching along the centerline of a web material. Its core function is to firmly laminate two or more layers of material at the central seam, making it primarily used in industries such as packaging, nonwovens, hygiene products, and building materials. The machine processes web materials by unwinding, centering, applying adhesive, heat pressing, ultrasonic bonding, laminating and shaping, pulling, and rewinding, precisely controlling alignment and adhesion along the centerline. Common processes include adhesive lamination (using water-based adhesives or hot-melt adhesives) and adhesive-free lamination (using heat pressing or ultrasonic bonding), capable of handling nonwovens, PE/PP films, paper, aluminum foil, fabrics, and other substrates. It is mainly employed in the production of center-seamed bags, diapers, sanitary napkins, medical protective garments, architectural waterproofing membranes, and composite filter materials. Key features of the equipment include precise centerline positioning, smooth, wrinkle-free lamination, high speed, and a high degree of automation, which significantly enhance seam strength and sealing performance, making it ideal for large-scale, continuous production.

Characteristics of Laminating and Composite Machines

2026-01-28

| Industry News

Characteristics of Laminating and Composite Machines

A laminating and compounding machine is a specialized piece of equipment that uniformly coats molten plastic film onto the surface of a substrate while simultaneously performing lamination. It features one-step forming, strong adhesion, and broad applicability, making it widely used in packaging, construction materials, hygiene products, and other fields. The machine uses an extruder to heat and melt plastic pellets such as PE and PP, which are then formed into a uniform film through a die. This film is directly applied to the surface of roll materials such as paper, nonwoven fabric, woven fabric, and aluminum foil. Through hot-state bonding and pressure roller compaction, the plastic film is tightly bonded to the substrate, achieving complete lamination without the need for adhesives, resulting in a simple and efficient production process. The finished products exhibit excellent water-, moisture-, oil-, and seepage-resistant properties, with high lamination strength and good peel resistance. The surface is smooth, free of bubbles and wrinkles, and demonstrates strong dimensional stability. The equipment allows adjustment of the coating thickness according to specific requirements and can accommodate substrates of varying basis weights. With its high speed and high output, it is well-suited for large-scale continuous production. The entire machine boasts a high degree of automation, equipped with tension control, web-guidance systems, and closed-loop temperature control, ensuring stable and reliable operation. Compared with adhesive-based lamination, solvent-free lamination is more environmentally friendly and eliminates issues related to adhesive residue; compared with hot-melt lamination, it offers superior overall coverage and better sealing performance. It is commonly used in the production of food packaging paper, laminated nonwoven fabrics, coated woven bags, disposable waterproof tablecloths, and medical-grade seepage-proof substrates.

How to Choose a High-Speed Laminating and Composite Machine

2026-01-28

| Industry News

How to Choose a High-Speed Laminating and Composite Machine

When selecting a high-speed laminating and compounding machine, make a comprehensive assessment based on speed stability, material compatibility, configuration accuracy, durability, and after-sales service to ensure optimal cost-effectiveness and production suitability. First, examine the core components: the extruder screw and barrel should be made of high-quality alloy steel to ensure uniform plasticization and stable output; die precision directly determines the uniformity of the laminate thickness, so prioritize designs with finely adjustable die lips that can handle ultra-thin, high-precision laminates down to just a few microns. Next, focus on operating speed and stability: high-speed models typically have line speeds exceeding 150 m/min and must be equipped with high-precision tension control, automatic web-guidance, and a stable traction system to prevent issues such as film wrinkling, web drift, and insufficient peel strength at high speeds. Then consider the range of applications: select a model based on the substrate—such as paper, nonwoven fabric, woven fabric, or aluminum foil—and verify that the equipment is compatible with multiple laminating resins, including PE and PP, to meet diverse production needs. At the same time, pay close attention to temperature control and automation: multi-zone, precise temperature control helps prevent melt degradation, while features like automatic web feeding, automatic thickness measurement, and waste recovery enhance efficiency and reduce material loss. Finally, evaluate manufacturing quality and after-sales support: machines with rigid frames and minimal operational vibration tend to be more durable; choose a manufacturer that offers professional installation and commissioning, along with timely supply of spare parts, to avoid maintenance challenges down the road. Only by balancing production capacity, product requirements, and budget can you select a stable, high-efficiency high-speed laminating and compounding machine.

What is the working principle of a center-seam folding machine?

2026-01-28

| Industry News

What is the working principle of a center-seam folding machine?

The core principle of a center-seam laminating machine is to precisely align two or more layers of flexible roll stock along the central axis, then continuously and securely laminate them at the seam through adhesive bonding, heat pressing, or ultrasonic welding. The equipment first uses an unwinding mechanism to synchronously feed fabrics, nonwovens, films, and other roll materials. A centering and deviation-correction unit ensures that the materials remain centered at all times, preventing any lateral shift. The material then enters the lamination station: for hot-melt adhesive processes, adhesive is precisely applied at the center seam; for heat-pressing or ultrasonic processes, high-temperature rollers or high-frequency vibrations are used directly to melt and bond the contacting surfaces. After lamination, the composite material is conveyed forward at a constant speed by a traction device, followed by shaping and cooling via pressure rollers to ensure a smooth, strong, wrinkle-free, and crack-free seam. Finally, a rewinding mechanism collects the finished laminated roll. The entire process is continuous and automated, relying on precise centering, stable material supply, and controllable adhesive pressure and temperature to achieve high-strength, high-sealability continuous lamination at the center seam. This technology is primarily used for center-seam bonding in hygiene products, packaging, waterproof membranes, and similar applications.

How to Determine Whether the Temperature Control System of a High-Speed Laminating and Composite Machine Is Precise

2026-01-28

| Industry News

How to Determine Whether the Temperature Control System of a High-Speed Laminating and Composite Machine Is Precise

To determine whether the temperature-control system of a high-speed laminating and compounding machine is accurate, focus on the temperature display, heating rate, temperature fluctuation, and actual plasticization performance—these are straightforward, intuitive parameters that can be assessed on-site: First, check that the temperature display and fluctuations are normal and precise: after setting the target temperature, the actual temperature should quickly approach it and, once stabilized, remain within a fluctuation range of ±2°C. If the temperature swings erratically, jumps frequently, or fails to reach the set point for an extended period, the temperature control is inaccurate. Next, test the heating and constant-temperature performance: when heating from ambient to the operating temperature, the heating rate in each temperature zone should be uniform, with no noticeable lag. Once the set temperature is reached, maintain it for at least 30 minutes; only if the temperature remains stable without drifting or continuously exceeding the set value can the system be considered reliable. Then, evaluate the heating and cooling response: when adjusting the set temperature, the actual temperature should follow promptly; and when lowering the temperature, air or water cooling should engage in a timely manner, preventing the temperature from failing to drop or the melt from overheating and turning yellow. Finally, observe the actual lamination effect: equipment with precise temperature control produces uniformly plasticized melt, resulting in a glossy lamination surface free of crystalline spots, scorching, or film breakage. In contrast, inaccurate temperature control leads to insufficient plasticization and brittle film surfaces, or to overheating and carbonization with scorch marks and uneven thickness. When reviewing the temperature-control instrumentation and sensors, prioritize PID intelligent temperature controllers paired with high-quality thermocouples. Inferior instruments provide coarse temperature control, while poor sensor contact or aging can cause measurement distortion; such issues can be verified by comparing readings with a calibrated thermometer. Stability under high-speed operation: During high-speed production, line speed increases and output rises. If the temperature control remains stable and the film surface shows no significant changes, the system demonstrates strong temperature-control capability; otherwise, the temperature-control accuracy is inadequate.

contacts

Guangdong Weirui Intelligent Equipment Co., Ltd

Mobile phone:

86 139 2963 5169

Email:

Leo@verysmartco.com

Contact Information

Address

Room 7B5-1, Jinxing Road, Jinyuan Industrial City, Chaoshan Road, Shantou City, Guangdong Province, China

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