Beihai Huihuang Langjie Environmental Protection Technology Co.,Ltd.(Group) is a high-tech enterprise, which integrates scientific reserch, manufacturing of (industry) exhaust gas treatment of automobile, motorcycle and VOC system, Pro-environment ceramic??are earth complex catalysts and both import and export trade.

Our main products: three-way catalytic converter of engines, motorcycle catalytic converter., Rare earth  complex catalysts, Ceramic honeycomb substrate, diesel particulate filters(only deal with diesel particulate), SCR??OC??DPF (the coating to waste gas processing function) and kinds of catalyst substrate, ceramic tower packing series, metal tower packing series,plastic tower packing series.

In the principle of ??redit standing is the only survival condition for an enterprise??? we Continually strive to improve enterprise brand and competition as well as scientific and technological content of products. So far, our company applies to 23 product patent including 16 invention patent. Our CNG and LPG catalytic converter through the European (Euro V ) emission standard on 2009 year.