Sinochem Modern Environmental Protection Chemical (Xi 'an) Co., Ltd. is a member of Sinochem Group, a fortune 500 enterprise in the world. Founded in 1997, it is a high-tech enterprise specializing in developing and producing environmental-friendly refrigerant HFC- 134a and related organic fluorine products. In 2006, the company's HFC-134a production capacity reached 10000 tons. And set up a new production base in Taicang, Jiangsu. In 2007, the production capacity of HFC-134a will reach 30,000 tons/year, making it the largest production base of HFC-134a in China and even in the world. Her successful establishment not only promoted China to complete the qualitative leap of hydrochlorofluorocarbons substitution, but also was an important milestone in China's long-term protection of the ozone layer worldwide. At the same time, it was the only designated production enterprise of HCFC substitute HFC- 134a in China's> process. It was funded by the United Nations Multilateral Fund and supported by the State Environmental Protection Administration, and won the "Gold Award for Ozone Layer Protection Contribution" and "Alternatives Production Enterprise of International Convention on Ozone Layer Protection" issued by the United Nations Environment Programme and the State Environmental Protection Administration. Jinleng brand HFC- 134a refrigerant product certification, inspection certification of National Basic Organic Raw Materials Supervision and Inspection Center, inspection certification of China Automobile Air Conditioning Professional Committee, national key environmental protection practical technology (Class A), national key new product certificate jointly issued by five ministries and commissions, national "863" key new material plan project, China refrigeration and air conditioning equipment trustworthy product, China famous brand product, national high-tech industrialization demonstration project, R.