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Round Washers Black Mild Steel washers manufactured to various British and European standards. BS4320 Form E, BS4320 Form F and BS4320 Form G are the main metric standards. BS3410 Table 7 and BS3410 Table 8 for imperial standards. BS4395 Thru/Hardened also manufactured and stocked. Self Colour, Galvanized and Zinc Plated. Other finishes on demand. Non-standard washers available in a range of materials including, Mild Steel, Stainless Steel, Brass, Copper and Exotic Alloys. 1)OEM/ODM parts: auto parts, engine parts, computer,electronics,aerospace station,other industrial uses 2) available surface finish: fine polish,chrome,zinc plating,pvd/cvd plating coating 3) available process: CAD, expert plastic injection,metal processing,surface plating QC testing The company produces all kinds of metal die casting mainly (zinc die casting , aluminium die casting , copper die casting,lead die casting), automobile fittings, the fittings of the electric tool, the carburetor, the fittings of the chain saw, water mill fittings,etc.. The annual average output is up to more than 1200tons. Through a few years' efforts, customers have already spread all over all parts of the country at present.stamping parts, stainless steel auto parts,