Dongguan City, Xu-feng Hardware Products Factory is a professional manufacturer of metal springs, lathe parts and stamping parts of the enterprise, the factory has advanced technology and equipment, modern workshops and professional personnel, products sold around the world. [Product range] of various materials of CNC automatic car parts; Surface treatment products are SGS environmental certification. Professional production (stainless steel, copper, iron, aluminum) high strength precision machine screws, self-tapping screws, 1.30 screws, wood screws, thumb screws, carriage bolts, special screws; bolt, rivet, rivets, toys axle, shaped shaft; locknut, cap nut, four claws nut, square nut, wing nut; washers, elastic washers, external tooth washers, internal tooth washers, special washers, snap ring; pressure springs, torsion springs, tension springs , springs and other metal buckle shaped non-standard parts, stamping parts, lathe parts. And in accordance with the special requirements of customers and design and manufacturing. Dongguan City, Xu-feng Hardware Products Factory is a professional manufacturer of metal springs, lathe parts and stampings business of precision springs, the factory has advanced technology and equipment, modern factories and professionals torsion springs, selling products around the world. Tension springs (Extension Spring) is subjected to axial tension coil springs, tension springs are generally circular cross section with the material. When not bear the load cell springs, tension springs between the ring and the ring are generally tight and there is no gap. Tension springs (Extension Spring) Contrary to the tension spring works. Tension springs back when pressed role in stretching the spring is stretched or pulled back in time. When the tension springs pull the two ends of the spring will be trying them back together. Many different terminal devices or "hook" is used to ensure that the source of the tension spring tension. Tension springs commonly used in medical respiratory equipment, motion control, medical mobile devices, hand tools, home care equipment, damping, spring pump, mechanical and electronic hardware protection, flow control valves, mechanical aerospace components, actuators, switchgear . Torsion spring spring _ _ Xufeng Hardware Factory provided by Dongguan City Xufeng Hardware Products Factory. Dongguan City, Xu-feng Hardware Products Factory (www.dglijing168.com) strong, credible, in Dongguan, Guangdong spring industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xufeng Hardware Factory and you hand in hand into the brilliant, for a better future!