ABOUT US

Zhoushan Dinghai Shuangli Plastic Machinery Co., Ltd. is located in the beautiful sea city of Zhoushan.

Zhoushan, with its beautiful scenery and convenient transportation, has built the world's largest material pipe and screw R&D and manufacturing base, creating a number of well-known brands. Shuangli is committed to developing high-end products to meet market demand with the concept of "integrity based, innovation driven", and won a good reputation from customers.

Highlighting independent innovation and adhering to scientific development, Shuangli has always been at the forefront of scientific research and development, taking the lead in developing and producing iron base alloy tube in the same industry, and successfully developed nickel base alloy barrel tube in 2009 using advanced vacuum sintering process. A number of technologies have filled the domestic gap, and only with quality can there be a market. Shuangli selects high-quality alloy steel, introduces advanced design concepts and combines CNC screw bottom diameter grinder, To produce stable, high-quality screws with more cost-effective.

Quality wins the market, integrity builds the brand, and the demand changes constantly. The customer's demand is the direction of our efforts. Shuangli is willing to create the future together with you.