| Message: | 1.Ballpoint pen springx24e13danandFR4 manufacturers chinaof AFR Precision Technology Co.,Ltdis favored by the majority of customers love, We have established long-term cooperation with many partner, torsion spring,tension spring exporterfrom AFR Precisionmeet the needs of our customers. AFR Precisionstrength,abide by contract, keep faith, take quality and credit of contract,obtained the customer trust and praise.
2.AFR Precision Technology Co.,Ltd has been devoted to study the needs of AFR industrial customers, ant tailored to customers demand and solutions. The advantage of AFR Precision lies not only in the industry-leading technology and the elite professional team, but also to provide excellent services in precise spring for household appliances,wire forming spring,tention spring,and the enthusiasm of positive innovation and faith of respect promise . Become a customer trusted Newest Ballpoint pen spring integrated service providers, to help customers realize the business value of Compression springs, is AFR Precision unswerving mission and pursuit. Details: According to the force nature, the spring can be divided into tensile spring, compression spring, torsion spring and bending spring. According to the shape, it can be divided into disc spring, ring spring, plate spring, spiral spring, cone scroll spring and torsion bar spring, and can be divided into cold coil spring and hot coil spring according to the process of production. The ordinary cylindrical spring is simple in application and can be made into various types according to loading conditions. In general, the material of the spring should have high elastic limit, fatigue limit, impact toughness and good heat treatment performance, such as carbon spring steel, alloy spring steel, stainless steel spring steel, copper alloy, nickel alloy and rubber. The methods of producing spring are cold roll and hot coil. The spring coil diameter less than 8 mm is generally used in cold coil method, and the coil met |
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