we are a professinal chemical factory selling chemical raw materials over 15 years with competetive price in good quality products, focusing in manufacturing calcium carbide,paraffin wax,caustic soda,PVC,FeSi,MnFe and some other chemicals as well as institutions in charge of international trade.we have offices In Beijing , Shanghai and Guangzhou to provide best service to customersOur products are widely used in environmental protection (steel plant desulfurization and deoxidization), metallurgy (metal welding and cutting), chemical industry (fluorine chemical industry and other fine chemical products) and other fields, and the quality of products is guaranteed and the price is excellent. Expect cooperate with you very soon