... ,Gr9,Gr12,Gr234.Specification:Diameter(2-200)mm5.Application:chemical industry equipment accessories, jewlery, etc.6.Color: metallic luster or can ... Metal Research Test8.Surface:mirror polish9.Main process: Machining, Forging, Casting, Die casting, Stamping,etc10.Payment details:T/t,Western Union,L/C ...