aluminum casting Carbon Steel Black Oxide surface OEM,ODM,Custom Tolerance 0.01mm
Sinoway Industry is located in Qingdao, China, with more than 10 years of experience in custom metal parts and assembly. We have passed ISO9001 certification and obtained many patents. The products we have produced include die casting parts,powder metallurgy parts,laser cutting parts,lost foam casting parts,sand casting parts,drop forging parts,metal stamping parts,deep drawing parts,press bending parts,mechanical
