Hubei Shuanghuan Science (also known as 湖北双环科技股份有限公司, Hubei Shuanghuan Science and Technology Stock) is a company that manufactures, produces, and markets chemicals, food additives, and fertilizers. It offers light and heavy soda ash, ammonium chloride, anhydrous sodium sulfate, liquid argon, sulfuric acid, etc. The company also develops, sells, and leases real estate properties.