Chinese President Xi Jinping opened the 9th Asian Winter Games in Harbin on Friday night during a festive ceremony ...

中国聚酰亚胺树脂行业内前端企业包括Mitsui Chemicals, DuPont, Changchun Gaoqi Polyimide Material Co, Huntsman, Solvay, SABIC, Toray, Mitsubishi Gas Chemical Company, Showa ...