Ruideli Automotive is one of the largest leader in the research,design,manufacturing in the field of OEM belt tensioner,idler pulley for diesel engines and gasoline engine in Zhejiang and is also a leading producer and exporter of specializing in the replacement belt tensioner and idler pulley for aftermarkets since 2003.Ruideli has a factory area of 35000sqm., with the building area of 21000sqm.Ruideli has more than 120 working staff and 20 more technicians among them. Ruideli has a year-production capability of 1.8million sets of tensioners and 2.0million sets of idler pulley.The genuine OEM tensioners and pulley RDL made are for Caterpillar,Cummins,Weichai Engine,Yuchai Engine,Yutong Bus,Zhongtong bus,Youngman Bus,Golden dragon Bus,Shaanxi Trucks,Sinotrucks,etc. Except the Chinese trucks, buses,passenger cars,we also focus on OE equivalence Quality replacements tensioners for european,american Cars,bus&Trucks,such as VOLVO,BMW,FORD,GM,MERCEDES-BENZ,CATERPILLAR,CUMMINS,SCANIA,MAN,DAF,etc.