... materials:gray iron,carbon steel,stainless steel,aluminum,bronze,brass,zinc pricise machined partsmaterials:gray iron ... ,carbon steel,stainless steel ,aluminum,bronze,brass,zincstandard:JIS,DIN,ASTM,BSspecifications:1 ... from 0.01kg to 80kg3.applied software for specification drawings:PRO/E,AUTO CAD,SOLID ... parts,electric/eletronic equipment parts. precision machining parts