Welcome to Hangzhou Ankou Hardware Co.,Ltd. Hangzhou Ankou Hardware Co.,Ltd.was established in 1996 and has evolved into a full service stamping house, specializing in special stampings as well as most metal washers. We produce a wide range of custom metal stampings and metal washers in virtually every metal material available including carbon steel and stainless steel. Now we are one of most excellent metal washer manufacturer in China. We sale 5000 ton metal washers products last year and our produce capacity come to 800 ton per month today. Size capabilities range from 1/8"(M3) diameter to 4"(M100) diameter and thickness ranges from .001"(0.25mm) to 5/8"(16mm) thick. Material including low carbon steel(C1008,c1010.), middle carton steel(c1045,c1050), high carbon steel(c1065,c1070,65Mn), Stainless Steel(ss304,ss316). We believe quality is every thing. After sale service is much more important. We specialize in quality control and now we are ISO9000 certificated.