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Hengyang Best-selling Chemical Industry Co., Ltd. (predecessor-Hunan Hengnan Songbai 2nd Chemical Factory) was founded in 1976. The company is situated in the scenic bank of Xiang River, near the mountain and by the river, it enjoys superior geographic advantage. 20km from Hengyang City, Hengzao Expressway runs across from west to east, Jingzhu Expressway runs across from north to south, Jingguang Railway runs through it, it is easy of access.

Hengyang Baisai Chemical Industry Co., Ltd. specializes in the production of zinc sulphate (ZnSO4) and zinc hypoxide (Zn2O), it is a private enterprise engaging in scientific research, production, domestic and international trade. At present, the company owns more than 280 employees, including a group of skilled professional group- 5 senior engineers in chemical industry, 12 professional engineers and 40 professional technicians. Relying on the strong and professional group, advanced production technology, excellent equipment, production and management process, the annual output of zinc sulphate (zinc sulfate, monohydrate Zn2SO4·H2O and zinc sulfate heptahydrate ZnSO4·7 H2O) has reached 30, 000 tons; zinc hypoxide (Zn2O) reached 5000 tons. In addition, we can also produce zinc sulphate products with various forms (particle, powder, crystal) and specifications. At present, our products have been sold in more than 20 cities of China and Southeast Asia.