Beijing Sanju Environmental Protection & New Materials Co., Ltd.（hereinafter referred to as "Sanju"）was founded in 1997, Beijing. It is the only listed company in energy and environmental protection material field with sulfur removal agent as major products in China. 【Stock code：300072】.
Sanju specializes in the research and development of sulfur removal agents, sulfur removal catalysts, other scavengers and specialty catalysts. We provide technical consultation and engineering & design as well. Nearly a hundred of products and services have been extensively applied in such fields as petroleum refining & petrochemical industry, natural gas chemical industry, coal chemical industry, oil field, biogas, and iron & steel, etc. We have our own research and development team which does not only research and develop lots of international leading level technologies and products, but also successfully solves purification problems of various energy products. We have established an intellectual property protection system. Our main customers include world-famous fortune 500 companies such as CNPC, Sinopec, CNOOC, China Shenhua, etc. At present, we are active in international communication and cooperation, and developing overseas market. By far, we have established cooperative relationship with many international renowned companies, universities, and research institutes. Our products have been exported to USA, India, Middle East, North Africa, Southeast Asia and other countries and regions. Sanju wishes to communicate and cooperate with friends all over the world, to promote the development of the fossil energy purification industry, and contribute to creating a healthy life for human being and protecting the earth's environment!