Qingdao Shuangli Plastic-Steel Equipment Co., Ltd.

Technology-oriented · Survive by quality · Develop by reputation. Shuangli is a backbone enterprise in China's plastic-steel door & window machinery industry, offering a complete range of welding, cutting and supporting equipment for PVC profile processing.

Product Portfolio

Manual Welding Machines

Two-, three- and four-head welding machines for precise PVC window and door frame assembly.

Pneumatic Welding Machines

Air-driven welding solutions delivering high efficiency and consistent joint strength.

Cutting Saws

Double-head cutting saws, V-notch saws and glazing bead saws for aluminum and PVC profiles.

Supporting Equipment

Auxiliary machines and tools that complete your plastic-steel processing line.

Why Choose Shuangli

Complete product line covering welding, cutting and supporting processes
Every machine tested and calibrated before delivery
Free on-site commissioning and operator training
Responsive after-sales support and spare parts supply
Export experience to multiple overseas markets

Service Commitment

From selection to installation, our engineers stay with you. We provide clear technical answers within 48 hours and arrange on-site service when needed.

Contact Our Team

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