Puyang Chengxin Oilfield Chemical Co., Ltd. .... keep a long-term stable cooperation relation with Sichuan University, Southwest Petroleum University, Petroleum Research Institute and other....
Formerly as Chenguang Chemical Research Institute of the Ministry of Chemical industry founded in Fushun County of Sichuan Province in 1965 and relocated in Chengdu city in 1987 It is one of....