Langfang Jingyuan Filter Co., Ltd., founded in 1988, is a professional manufacturer of filters for the transportation, coal, metallurgy, electric power, chemical, medical, electronic, food and other industries. There are more than 2,000 main product specifications. The company covers an area of 70,000 square meters, with a construction area of 54,000 square meters and total assets of 50 million yuan. The company's registered trademark "Clean Source" has been identified as a famous trademark in Hebei Province. The company has passed ISO9001:2008, ISO/TS16949:2009, ISO14001:2004 and OHSAS18001:2007 management system certification. Products are exported to the international market, with self-support import and export rights. Provide OEM for Cummins, Hitachi, Kobelco, Doosan, Sumitomo, Sany, Longgong, Foton, Shanxi Automobile.