investment casting Brass Laser Engraving surface OEM,ODM,Custom Tolerance 0.01mm
Sinoway 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 press bending parts,lost foam casting parts,die casting parts,mechanical machining parts,shell mold casting parts,powder metallurgy parts,lost wax investment casting parts,drop forging parts,metal
