Sanmenxia Aoke Chemical Industry Co., Ltd. is a national high-tech enterprises located in Chemical Industry Cluster Area of Shanzhou District (Guanyintang) of Sanmenxia City in Henan Province. It has easy traffic access to Longhai Railway, State way 310, Lianhuo Highway, and Zhengxi High-speed Railway. Aoke Company covers an area of one hundred thousand square meters, and fixed assets of one hundred million yuan. There are 300 staffs working for the company, including 30% technical professionals. Aoke company was founded in 1995, and has authorized to handle import and export since 2000. We also have passed the authentication of ISO 9001:2000 Quality Management System in 2001. In 2007, the Henan province Sulfhydryl compounds engineering technology research center has been founded successfully. In recent years, we have been appraised as “Technological Innovative Model Enterprise”, “The standardization of production safety advanced enterprise”, “Quality Management Advanced Enterprise ".