Beijing SJ Environmental Protection and New Material Co. Ltd. is principally engaged in the research, development, production and distribution of desulfurizing purificants, desulfurizing catalysts, dechlorinating agents, dearsenificating agents, special catalytic materials and catalysts, as well as the provision of technical consulting and services. The Company's desulfurizing purificants mainly include desulfurizers, deodorants, solid base desulfurizing purificants and nitrogen degrading sulfur transfer agents, applied in petroleum refining, petroleum chemical engineering, natural gas and natural gas chemical engineering, coal chemical engineering, fertilizer, steel and marsh gas, as well as other industries. Its desulfurizing catalysts mainly include diesel hydrofining catalysts, paraffin catalysts, gasoline selective hydrodesulfurization catalysts and organic sulfur hydrofining catalysts, applied in petroleum refining, fertilizer and other industries.