... of flat washers with different standard(like DIN,JIS,NFE,USS,SAE BS and so on) of material(A2,A4,A3.....) ... according to customers' drawing or samples.QILE METAL mainly produce flat washers, spring washers, stamping parts, nut, screw and other ... in kinds of standards, specifications and materials (A2,A4,A3,Brass and so on),most of material is imported from ... M39450.48 707.90 M42649.35 974.03 flat washer