our factory which in hangzhou china, spcecialize in producing dope dyed polyester yarn with more than 500 different colors. also can produce the colors as the customer's requirement the specification as follow: dty:(trilabal bright and semi dull) black and other dope dyed colors 100d/36f(48f) ，150d/36f(48f) 200d/96f ，300d/96f fdy:(trilobal bright) black and other dope dyed colors 150d/72f ，170d/72f 300d/96f ，450d/144f ，600d/192f poy:(trilobal bright and semi dull) black and other dope dyed colors 100d/36f(48f) ，150d/36f(48f) 200d/96f ，300d/96f