Roghen Yarn Co., Ltd. is located in Zhangjiagang, Jiangsu province, China & is a 15 year old integrated business in yarn dyeing & twisting of 100% polyester filament (FDY&DTY) yarn. Our company covers an area of 30,000 square meters and has more than 200 employees and technologists. Zhangjiagang is a port & a city about 100 KMS from Shanghai Pudong International airport. We have Oeko-Tex Standard 100 Ecology Textile Certificate and have ISO9001 Quality Certification System. We are also certified by the Chinese Environmental Protection Authority.We are a Gold Member on Alibaba...