... subcompanies in Fengxi Jiangxi.1.Jiangxi Province Dinghai grinding wheel Co., LTD-----(DHSL)2.Jiangxi Province Dinghai Tantalum ... Environmental protection energy Co.,LTD Grind the crankshaft and the camshaft grinding wheel widely used in automobiles, trucks, diesel engine ... , the plane and small engine industry, etc. For more and ...