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Screw And Washer

Yongxin fastener engaged in producing hardened washer, stainless steel washer, carbon steel washer, special washer including countersunk washer, cup washer, lock washer ,toothed washer and epdm washer, machine screw, selftapping screw, drywall screw, fiberboard screw , wood screw and stamping and welded products.