precise machined parts 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.material:carbon ... ,dacromet plating6.detailed products range:machinery parts,auto parts,electric/eletronic equipment parts. precision machining parts