We have rapidly grown in the market of fastening systems since 2002 . We have our own technology , supported by standards and standardized specifications of Chinese government and international organizations,including AISI , ASTM , SAE , ISO and DIN. All of our products are constantly monitored and tested to ensure the highest standard of safety and quality, through a network of accurate controls on the raw materials and the production processes . Our warehouse is always expanding and can quickly fulfill all kind of orders while providing accurate customer service and immediate shipping.