... foreign raw materials 1.2D x 38mm staple fiber, for polyester sewing thread, which is imported from Thailand, Indonesia, and Korea ... . It is the best raw material for 100% spun polyester sewing threads (20S, 30S, 40S, 50S, 60S, 80S) with various ... in the form of yarn or threads composed of natural fibers,synthetic fibers and their blends or compositesWe can meet any requests ...