Yunnan Yunwei Company Limited is principally engaged in manufacture, processing and distribution of coal coke products, chemical products, chemical fertilizers and construction materials. The Company鈥檚 major products are coke, coke tar, methyl alcohol, polyvinyl alcohol (PVA), soda ash, vinyl acetate, ammonium chloride, crude benzol, as well as cement and calcium acetylide, among others. The Company distributes its products in domestic and overseas markets. As of December 31, 2010, the Company had five subsidiaries, which involved in manufacture and distribution of coal coke products and chemical products.

YunNan YunWei C0.,Ltd is a listed company which was established by its sole founder-Yunnan Yunwei Group Co.,Ltd through raising social capital with approval of the Provincial government in 1996,its stock code is 600725 with total shareholding equity of 165,000,000 shares including 5625 shares as social public shares.Yunnan Yunwei Group Co.,Ltd holds 65.9% of its stock.As the first listed company within the industry,it has established perfect corporate governance according to the requirement of the modern corporate system,and a corporate management system regarding quality,environment and occupational health and safety,it is certified by ISO9001:2000,ISO14001:2004 and GB/T28001-2001.

    Its core business is organic chemical with capacity of 90,000 t/a calcium carbide,50,000t/a vinyl acetate,2.8,000t/a polyvinyl alcohol,500,000t/a cement,both 200,000t/a for soda and ammonium chloride respectively.Its products are widely used in chemical.textile,building material,papermaking,pharmaceutical and paint industries."Yunwei" brand polyvinyl alcohol(PVA) and "Zhuyuan" brand soda are on the list of "name brands of Yunnan" Now it has been devoting itself to the development of acetylene chemical,and ranks with "top 100 chemical fiber enterprises in China".it is also the key organic chemical production base of the Yunnan Province.