... the biggest supplier for Kinglong/Yutong/etc. bus front axle in Chongqing, also we have 20 years marketing ... Our product has passed the ISO9001:2000 quality certification. Front axle operating main process: 1.Roll forged2.Stamping & shaping3. ... -GROUP, KINGLONG, YUTONG, ETC. Specifications for this bus axle: ModelKing pin center distanceCarrier center distanceFirst-level dropSecond-level dropKing ...