Hubei Yihua Chemical Industry Co., Ltd. engages in the production and sale of fertilizer and chemical products. It specializes in urea, diammonium phosphate, polyvinyl chloride (PVC), and caustic soda. The urea and diammonium phosphate are used in agricultural fertilizers to increase soil fertility, promote crop growth and increase agricultural productivity, urea can also be used in industrial and medical fields. The PVC is used in the production of various profiles, plates, pipes, hard films, and wire and cable. The caustic soda is used in papermaking, soap, dyes, rayon, aluminum, petroleum refining, purification of coal tar products, and food processing, wood processing and machinery industries. The company was founded on December 24, 1977 and is headquartered in Yichang City, China.