
Shanghai Hy-Sailing Chemical Tech. Co., Ltd, We have been in the Mines industry fields more than 40 years. We belongs to Huaming Group, rooted in China National super fine powder R & D center, back ground from East China University of Science and Technology, has the top engineering Chemical technology in China. Our branch factories Shanghai, Hubei, Guangxi, Sichuan, Jiangxi, Shanxi, Hebei etc. Our top engineer team invented the Nano Calcium Carbonate technology in 1990S in China. We have ...