Beijing Sanju Environmental Protection & New Materials Co., Ltd. engages in the research and development, production, and sale of catalysts, purifying agents, and energy purification products. Its business segments include coal chemical, refining, biomass, oil and gas field, coking, and overseas industries. Its Coal Chemical segment offers hard wax, ink additives, plastic additives, and cosmetics additives. Its Refining segment involves in the research and development of catalysts, agents, and reactor technologies. Its Biomass segment develops biomass charcoal organic compound fertilizer, and soil modifier. Its Oil and Gas segment provides desulfurization services. Its Coking industry operates liquefied natural gas stations. Its products include sulfur removal agents and catalysts, sulfur scavengers, and specialty catalysts. The company was founded by Ke Lin in March 1997 and is headquartered in Beijing, China.