Ruian City Changsheng oil Filters Co., Ltd is a large enterprise which specially develops, manufactures and sells a series of filters with changsheng as its registered trademark. It is located at Hantian industrial area of Ruian. The company faces East China sea on the east, No.104 national roadway on the west, Wenzhou airport and Jinwan on the north. It has superior geography, convenient transportation and ethereally environment.

The company was established in 1993, with an area of 20000 square metres. It owns advanced production equipments, complete inspection equipments and perfect management system. In order to make our company develope forward continiously, our company accepts talents all over the country. We retain talents to work in our company, develop new products, improve products quality, enhance enterprise management and train employees. Meanwhile, we introduce advanced technology and key equipments from home and abroad, and make technical innovations ensure the ...[More]of changsheng products to be at the world advanced level and be in the lead the position in market competition.

Our company has frequently won the titles of Excellent Enterprise since it was established, and passed ISO9001 in December, 1999. Our products were detected by authoritative organizations. Many index of our products have reached national advanced level. For many years, we have developed all kinds of top-qualified air filters, Oil-water separators, diesel fuel, cooling wanter, oil filter in bus, car, truck, engineering machine and generating machine and generating set with over 500 catalogues and specifications. Because of its stable quality and competitive price, the series of filters produced with changsheng brand were deeply favored by customers all over the world.