HANGZHOU XIASA HENGSHENG CHEMICAL CO., LTD. was founded in 1993. HEADQUATERS is located in scenic Hangzhou. It is a joint venture enterprise that focuses on the R&D and production of dyes, especially acid dyes and relevant intermediates since its foundation. Meanwhile, the company produces some related disperse dyes, basic dyes and reactive dyes. Now the company has become a group enterprise with multiply production sites.