Qingdao Quanhutong Industrial Co., Ltd. is Export .... factories which is separately located in Yunnan and Sichuan province. In 2000, we established Yunnan factory which specialize in producing....
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....