Yunphos is an integrated company group in the lines of phosphorus and Chlor-Alkali Chemicals, headquartered in Kunming, Yunnan, China. It owns 23 solely-funded subsidiaries and joint ventures, with over 4000 employees. Since 1997, Yunphos has kept being the China?s biggest exporter of yellow phosphorus and red phosphorus, and became the second of phosphoric acid since 2004. Meanwhile, Yunphos has also endeavored to become a world?s leading chemical company.