zhejiang headman fitration technology co., ltd. (formerly rongsheng filtration), moved to the economically active yangtze river delta jiaxing industrial zone in may 2008. the company was renamed zhejiang heideman filtration technology co., ltd., which is a research and development, manufacturing, and sales company. a modern professional filter manufacturer integrated with service. the factory covers an area of 42 acres, with a workshop of nearly 31,000 square meters, a registered capital of 30 million yuan, and more than 500 employees. it has a complete set of imported filter professional production lines and supporting imported inspection and test equipment, with an annual output of 10 million filters only.after years of development, the company has developed more than 80 kinds of products, covering many fields such as construction machinery, heavy vehicles, luxury buses, ships, diesel generator sets, air compressors, power plants, environmental protection and purification related industries. the products are well-known for a long time and are exported to dozens of countries and regions at home and abroad such as europe, the united states, and japan. they provide oem supporting facilities for many internationally renowned oems, including sany group, xugong group, dongfeng group, doosan group, pall company, hangzhou advance gearbox group, sunward intelligence, cork power, etc. he has participated in the revision of national industry standards many times and has played a positive role in promoting market regulations.constantly surpassing, we live up to our mission, join hands with our customers, strive to build a world-renowned brand, and work together to create a better future!