We are manufacturer of flat washers with different standard(like DIN,JIS,NFE,USS,SAE BS and so on) of material(A2,A4,A3.....) Surface treatment Zinc coat(CR3),Zinc coat(CR6),Yellow zinc coat(CR6), Hot-dipped galvanized , Plain, Electric galvanized, Black,Dacromet. Specification DIN,ANSI,ASME,NFE,BA, JIS,and Non-standard Material Carbon steel,45#,65Mn Package Boxes-->cartons-->pallets Cartons--> ...