No.2708,District yunfeng,lv Di Zhi Chuang of New east district,Zhengzhou City Zhengzhou, Henan
With the alliance of Chinese Academy Sciences, China Welding Association, Henan Science and Technology University. Zhengzhou Feng Huang New Material Co.,ltd,a high-tech company, Who specialized in development, research, production, sales technical ...
first-class, good-quality, competi