Guan Langsen Filter Equipment Co., Ltd. specializes in manufacturing all kinds of paper filter, spin-on filter and PU plastic filters, air filters, oil filters, fuel filters, hydraulic oil filter, oil separator filter, oil-water separation filter, precision filter, EDM wire cutting filter, spray recovery, environmental purification filters and other types of products, more than 1000 kinds of different specifications of various aspects of a series of filters, our main products; machinery and carrier truck series: The company produces a variety of construction machinery and Filter transport vehicles, filter excavators, loaders, bulldozers, dump trucks, generators, luxury buses and various engineering machinery, construction machinery, mining machinery, transportation machinery, fuel, oil an.. (more>>)