Tianjin Pingyuan Hardware Co., Ltd. is a leading joint-stock company which has the right to export fasteners. Located less than an hour from port, our products include ordinary steel washers, hardened washers, clamps (single-ring or double-ring), and non-standard stamps. We can finish these with surface treatments that include self-color, zinc-plating (blue or yellow), hot dip galvanizing, mechanical deposit, or black.The standards that our products comply with are as follows:1) French standard NF E25-513 2) German standard DIN125A/B, 9021,126,440R etc.3) American standard USS/SAE, F/W4) British standard BS3410 43205) Australian standard AS 1252-1973 etc.Moreover, the ISO9001 quality control system is implemented throughout the process of production. We have professional technicians to control quality, as well as materials and plating coat thickness with our equipment before packing.We hope to establish long-term cooperation with you. If you are interested in any of our products, pl