aluminum casting Carbon Steel Hexagon OEM,ODM,Custom Tolerance 0.01mm
Sinoway is a company specializing in various types of metal stamping parts and sheet metal processing. We are located in Qingdao, Shandong, close to the port. We have been focusing on the processing and manufacturing of metal parts for many years. The products we have produced include lost foam casting parts,sand casting parts,lost wax investment
