Relying on Yunnan's unique resource advantages, Zhongqing Yilan Group Co., Ltd. is a large-scale phosphorous chemical enterprise group developed through industry integration and reorganization, and it is regarded as an important platform in Yuntianhua Group's development of phosphorous chemical industry. The company is an industrialized enterprise, owns most advanced electric furnaces for yellow phosphorous production, with annual designed production capacity of single set ranking the first in China (30, 000 tons/year), and its production capacity of yellow phosphorous reaches 166, 500 tons; The production capacity of phosphoric acid (85%) comes up to 363, 000 tons, and the production capacity of trimeric sodium phosphate reaches 200, 000 tons.