It is glad to write to you with keen hope to open a business relationship with you.This is Sarah from Hangzhou Changxiang Chemical fiber company, China, one of professional manufacturers producing dope dyed polyester yarns,including,POY,DTY,FDY,sea-island microfiber yarn,Nylon/polyester microfiber yarn and so on. By the way,kindly also find our advantages below.1)With over ten years exporting experience and being in this line for about 5 years. The quality and service can be guaranteed very well.2) Product RGD less than 1%,good feedback from our buyers.3)Free samples for evaluation could be provided on request.