How about Qingdao Laixi Weifeng fiber?

Qingdao Laixi Weifeng fiber is quite good. Qingdao Laixi Weifeng Fiber Co., Ltd. is the largest manufacturer of high-strength and low-shrinkage polyester filament for high-grade sewing thread in China. Founded in 2003, the company is located in the beautiful coastal city of Qingdao, the sailing capital of China. The company has strong technical force, has 12 national utility model patents, and is leading the drafting of national industry standards for polyester filament for sewing thread, with sophisticated technology and internationally advanced production equipment, with an annual production capacity of 20,000 tons.