HUBEI SHUANGHUAN SCIENCE AND TECHNOLOGY STOCK CO., LTD is principally engaged in the manufacturing of combined alkali products and salt chemical products. The Company operates in four segments. The Chemical segment is engaged in the production of calcined soda and ammonium chloride, among others. The Real Estate segment is engaged in the development of real estates. The Construction Materials segment is engaged in the production and distribution of polyvinyl chloride (PVC) tubes. The Trading segment is engaged in the trading businesses. The major domestic markets of the Company are Hubei Province, Hunan Province, Guangdong Province, Guangxi Zhuang Autonomous Region, Jiangsu Province, Zhejiang Province, Sichuan Province, Yunnan Province and Guizhou Province, China.