... finish; Sand blasting, Polishing,Zinc Plated, Hot Dip Gal.,Copper Plated,Nickle Plated.Standard; GB,ISO,ASTM,JIS,DIN,BSI ... Door to Door etc. or client authorized agent we supply all the necessary assistant..Quality Control:1.Chemical Composition confirm after ... in manufacturing and exporting2.OEM and custom-made service3.All kinds of forgings can be manufactured according to drawing,sample or specific ...