Shanghai Richem Company is a professional company engaged in ODS (Ozone-Depleting Substances) ment, committed to CFCs&HCFCs series of products alternative technical services and sales services. The main business is the promotion and technical support of environmental protection products, including CFCs&HCFCs ment refrigerants, environmental protection cleaning agents, plastic additives, etc. Acting for a number of some world-famous companies related products. In the precision cleaning alternative technology, we have independent research and development capabilities to provide customers with comprehensive CFCs&HCFCs alternative solutions, as well as comprehensive chemical supply solutions.