Hangzhou Qiantai Biotechnology Co.,Ltd founded in 2009(formerly named Taixiang Chemical), specializing in Special Active Pharmaceutical Ingredients, Pharmaceutical Intermediates and fine chemicals. The headquater located in Zhejiang Hangzhou; and we have four manufacturing units, unit-1 was in jiangxi province, standard chemical factory; unit-2 was in jiangsu, standard chemical factory; unit-3 was in henan, standard chemical factory and unit-4 was in Sichuan,GMP factory.