Hubei Yihua Chemical Co., Ltd. was listed on the Shenzhen Stock Exchange in August 1996 (stock code 000422, stock abbreviation "Hubei Yihua"). It is a state-owned holding listed company, operating in industries including urea, phosphate fertilizer, chlor alkali, and fine chemicals. It has 28 subsidiaries in Hubei, Inner Mongolia, Qinghai, Xinjiang, and other regions. The company's products mainly include 1.56 million tons/year of urea (supporting 900000 tons/year of synthetic ammonia), 1.26 million tons/year of diammonium phosphate, 840000 tons/year of polyvinyl chloride (supporting 1.05 million tons/year of calcium carbide), 680000 tons/year of caustic soda, 460000 tons/year of synthetic ammonia, 60000 tons/year of pentaerythritol, TMP2 million tons/year, TPO 10000 tons/year, PBAT 60000 tons/year (under construction), etc. The company's fertilizer production capacity ranks third nationwide, PVC production capacity ranks fifth nationwide, and pentaerythritol production capacity ranks second globally and first in Asia.