Jianguan mainly manufactures PP, PU, environmental-protection auto filters (AIR FILTER), Air-conditioning filters (CABIN FILTER), European and American paper core (ECO FILTER), in-tank fuel filters (FILTER ASSY-FUEL) and other products with independent brand items. The company owns 6 plastic injection molding machines, 2 PU highly-effective production lines, 2 environmental-protection automatic filter production lines, 2 air-conditioning automatic filter production lines, and 2 European and American paper core automatic production lines. The annual production of all filter product series is more than 5 million.