Shijiazhuang Lan Yu purification Machinery Co., Ltd., is a specialized in internal combustion engine exhaust gas after treatment equipment research, development, design and production of high-tech environmental protection enterprises. The company has an independent carrier catalytic paint shop and packaging workshop. The internal combustion engine emission control product line covers a variety of applications diesel and gasoline-powered vehicles and machinery. The Company for gasoline engine exhaust treatment device for three-way catalytic converter (catalytic converter that is also known as three-way catalyst Catalytic Converter), for all kinds of models on the market, it can reach the European IV standard number. The Company for the diesel engine emission control products for the oxidized catalyst DOC (Diesel Oxidation Converter) and a diesel particulate filter DPF (Diesel Particulate Filter), for diesel generators, underground mining equipment, large-scale engineering machinery, diesel forklifts, tunnel tractors, loaders, bulldozers, mining vehicles, heavy trucks and other ancillary uses. D series, DG series, DM Series diesel exhaust purifiers, can effectively remove exhaust particulate matter PM, hydrocarbons HC, carbon monoxide CO, nitrogen oxides NOx, sulfur compounds, etc., and can effectively remove smoke, odors and reduce noise. Especially suitable for closed environments emission control room, tunnels, mines, warehouses, food workshop. At the same time, we are able to cater for the individual needs of different customers, product customization and development, to meet the actual needs of different clients.