(Weifang telephone 13864600749 Lin total) ship loader engine parts company Weifang 4105 east block, crankshaft, camshaft, cylinder, piston, piston ring, piston pin, connecting rod, cylinder head, valve, valve, valve rod, rocker arm, rocker stand seat, engine oil pump, high pressure pump, pump and Common Rail Rail pipe, wire harness, high-pressure tubing inspection and processing method. According to the journal wear law to find out the wear parts, available micrometer to measure the roundness and cylindricity in order to determine the level of repair and size of crankshaft grinding. < src= "/UploadFile/UserProPic/2015/4/9/201549162773708239.jpg" alt= "/>