Qufu Shengying Auto Parts Co., Ltd. is a the main and professional factory of heavy duty filters ,specially produce air filter ,oil filter ,fuel filter and cabin filter etc ,now we have more than 3000 models ,our brand AGROFIL become famous brand in China and foreign market.Our filters use for :Construction&Mechanical : such as Cat, Jcb, Daewoo, Cummins etcTractor: such as John Deere ,Massey Ferguson ,Valtra etc.Our filter quality is very high, we use the best material and technical equipment to produce them , all of our filters have quality test before delivery to customers.Qufu Shengying Auto Parts Co., Ltd. is a nationwide distribution network of filters, more than 200 employees, TS-16949 and ISO9001:2000 certificates. It is now a high-starting point, large-scale and professional manufacturing export base of air filters integrating development, manufacturing, logistics and international trade.