Battery spring, Xu-feng Hardware Factory (certified), the spring is provided by Dongguan City, Xu-feng Hardware Products Factory. Dongguan City, Xu-feng Hardware Products Factory (www.dglijing168.com) is specialized in the "spring-like, lathe category, stamping class, spring, torsion spring, retainer, battery spring, shaped bomb" of the enterprise, the company receives "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Miss Liu. 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 battery spring, spring plant modernization and professionals, selling products around the world. Clockwork spring Category: flat spiral spring according to whether the contact with the adjacent working parts Category: ① non-contact type flat spiral spring, ② contact flat spiral spring. Fixation plane scroll spring fixed end are: ① hinge-mounted torsion springs, ② pin-mounted, ③v canned, ④ linings fixed. Clockwork spring material: steel spring is generally used 55Si2Mn, 60Si2MnA, 55SiMnVB, 55SiMnMoV, 60CrMn, 60CrMnB other brands of flat steel in the hexagonal winding spring, variable force shelves winding spring, manganese steel spiral spring, stainless steel spring. spring! ! Etc. Dongguan City, Xu-feng Hardware Products Factory is a professional production 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. The factory is the spring force of the spring in southern China _ one of the first to introduce heavy spring CNC machinery manufacturers, respectively Ф4.0mm level, Ф5.0mm, Ф8.0mm, Ф12.0mm grade spring factory for the production of different diameter spring, more production adjustable, variable pitch spring and CNC machinery, led by "one-stop" production line and testing equipment design, including: End CNC grinding machine, blasting machine, chamfering machine. You can print the results between the pull pressure testing machine, fatigue testing machine, magnetic particle inspection machine, wire tensile machine, strength testing machine, everything. _ Spring pressure from 0.05mm to 0.8mm diameter spring compression spring machines are CNC machinery, most of all with the spring free length detection, automatic sorter. Only precise length, we can meet customer requirements for the spring force, we can also print CPK value, meet customer requirements to the maximum extent. Meanwhile, Valet design custom all kinds of spring _ pressure spring. There is a need to contact me! !