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. Spring washer under the nut is installed, its cooperation with the special wrench to tighten the nut to the required standards after torque locking nut can play the role. At present, all are in a tense speed up grid construction and transformation, porcelain and other components when installed, be sure to install the spring washers to ensure the quality of power grid construction and transformation, project quality will directly affect the safe operation of the line. Spring washer is not installed, if the hot summer months, the line runs continuously at high temperatures, due to thermal expansion and contraction after the metal die springs, bolts, nuts, heat, produces loose nut trends; encountered windy weather, the wind blowing on the wire pendulum shock, spring washers do not have protection, over time, will accelerate the loose nut. Its consequences and harm can be imagined. Therefore, a large area power grid construction and transformation of precision springs, not just to progress, the easy way, but ignore this small part of Dongguan City, Xu-feng Hardware Products Factory is a professional production of metal springs, lathe parts and stamping parts of the enterprise, the plant with advanced technology and equipment disc springs, modern factories and professional personnel, products sold around the world. This shop all products are factory direct, affordable, exquisite workmanship spring, can be customized according to customer requirements for all kinds of tough, high-precision springs, tension springs, needle, coat hooks, torsion spring, spiral spring, technology spring. Dongguan City, Xu-feng metal spring plant is spring, the line deduction, clockwork, pressure springs, tension springs, torsion springs, shaped springs, wire forming, spring and other professional production and processing of individual businesses, the company is headquartered in Dongguan Tangxia Town, Dongguan City, Xu-feng Hardware Factory has a complete and scientific quality management system (ISO9001: 2000). Integrity, strength and quality of Dongguan City, Xu-feng Hardware Products Factory recognized by the industry. Welcome friends from Dongguan City, Xu-feng Hardware Factory visit, guidance and business negotiation. Feel free to contact me! ! Pressure spring, spring, Xu-feng 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!