Donggang, street168hao in shijiazhuang Shijiazhuang, Hebei
founded in 2004, SHIJIAZHUANG BETOP MAGNESIUM ZINC TECHNOLOGY CO., LTD. is located the attractive city, SHIJIAZHUANG. With 107 National express, Beijing-Guangzhou railway and Beijing-Shenzhen thruway through from north to south, position enjoys ...
Zinc oxide, nanometer zno