As ISO9001: 2000 certificated company, Tianjin Pingyuan Hardware Co. Ltd is one of the earliest manufacturers and exporters in China, Our main products are: washers, stamping parts and fasteners. Washer Category: flat washer; square washer; spring washer; bowl washer; F436M washer; bevel washer; load indication washer; tap washer; high pressure washer; tubbish washer Standard: DIN; BS; NFE; ASTM; USS; SAE; FW; AS (as per customers' drawing) Material: mild steel, carbon steel, alloy steel, stainless steel and copper. Surface treatment: plain, zinc plated (blue zinc plated, and yellow zinc plated), nickel plated, phosphating, black oxidation, zinc mechanically deposited, and hot-dip galvanized etc. The products are mainly exported to USA, Canada, Australia, Europe, Middle East, Southeast Asia and other countries and regions .The annual production capability reaches 8,000 tons.