Shenzhen Hengji Mechanical & Electrical Equipment Co., Ltd.,which is a subsidiary of the TuoBang Filter Co., Ltd..It is a global provider of filtration products and services with a worldwide customer base, superb product quality, an extensive distribution network and the industry's broadest product line.specialized in filter series field:oil filters, fuel filters, air filters and fuel-water seprator filters,for instance. Shenzhen Hengji Mechanical & Electrical Equipment Co., Ltd. is continuing to focus on providing superior filtration products, covering fuel filter/water separator, oil water separator, oil filter, air filter, fuel pump to the engine, industrial and environmental filtration market. The products are widely applied to automobile, engineer machine, heavy-duty vehicle, power generator unit, air compressor and oilfield equipment.