... Brass, Stainless steel. - Plating color : Black, white and color zinc, black and white nickel, Gold brassing, 3+Cr Xiamen Libiao Hardware ... China, Our monthly production capability is 60 million screws and 10 million lathe products per month!-------Company policy: ... : ISO, ANSI, DIN, JIS, GB... etc)Nuts sort : nylon nuts, wing nuts, hex nuts etcWasher sort: Plain washer, spring washer,star washer, ...