Changzhou OEMPart is working as customer&＃039;s liaison/sourcing office for spare parts of construction machines and we also worked as the factory project manager to keep tracking the progress so you can know the detailed condition of your order without delay. With our strong engineering experience in the field of construction machines, plus our good understanding to customer&＃039;s PPAP (Level 3) requirement, manufacturing process, quality control and measurement, and our vendor&＃039;s output capability, we expect to service customer better in field of aftermarket of Caterpillar , Komatsu, Cummins, etc., crankshafts, camshafts, cylinder heads, cylinder blocks, cylinder liners, engine bearings, engine bushes, valves, valve guides, valve seats, pistons, piston rings, piston pins, connecting rods, chain, bearing, oil pumps , water pumps, bearings , chains , gears, etc. For the details of our products , you can visit our website ***** but not limited by the website, you can also send mail to partoem#***** for any requirements, questions or suggestions! And with our strong administrative experience , we will do our best to arrange the production and most effective delivery in order to decrease the cost of every product. With our unremitting efforts and being honest and professional, we intend to supply customer-oriented service and quality products and build business relationships with all over the world .