... semi-dull and bright 15d/1f 20d/1f 30d/1f nylon monofilament yarn We have advanced production lines in our company, which ... yarns, polyester yarn (semi-dull/bright,dope dyed) nylon filament POY and high strength polyester filaments, with capacity of ... , 1,500 tons of twisting silk, 3,000 tons of nylon lines and 5,000 tons of polyester high-strength yarns ...