Hengyang Kuntai chemical indudtrial co.ltd was built in 1993,is a research and development, production and sale of chemical industry joint-stock enterprises.Our company .we are specialized in the production and sales of zinc sulphate(feed grade),manganese sulfate(feed grade and industrial grade),basic zinc carbonate and zinc oxide. As a result, our products are sold in the overseas markets in Africa, Southeastern Asia, Europe and America. We have established a stable and good network. With ...