... strength polyester filaments, with capacity of 5,000 tons of nylon filament yarns and 1,500 tons of nylon filament POY annually. We ... , with an annual capacity of 2,000 tons of DTY, 1,500 tons of twisting silk, 3,000 tons of nylon lines and 5 ... company is strong in technology. We retain a number of senior engineers from Shanghai Institute of Synthetic Fiber, who are responsible for the ...