black and dope dyed yarn high quality reasonabl price Polyester twisted yarn, nylon twisted yarnWe have advanced production lines in ... our company, which produce nylon filament yarns, polyester yarn (semi-dull/bright,dope dyed) nylon filament POY and ... with an annual capacity of 2,000 tons of DTY, 1,500 tons of twisting silk, 3,000 tons of ... production and R&D around the year. Polyester twist yarn