http://pastport.jp/user/peiyangchem ja-JP PCC was established in 1993, and it’s a state owned company by Tianjin University which is ranking No.1 in chemical engineering in China. https://www.peiyangchem.com/ 2021-05-07T17:56:23+0900 http://pastport.jp/user/peiyangchem/timeline/peiyangchem peiyangchem http://pastport.jp/user/peiyangchem/timeline/peiyangchem