Die spring production | Xufeng Hardware Factory (certified) | spring 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 mold spring production enterprises, the factory has advanced technology and equipment, modern factories and professional spring, selling products around the world. Spring sheet production technology requires editing radius [1] 1. The bending portion. Spring sheet during molding, the majority to bending. If the radius of curvature of the curved portion of the spring is relatively small Usually, these portions to produce a large stress. Therefore, to avoid bending portion have a greater stress, it should be designed so that the bend radius is at least five times the thickness. The Company in good faith, efficient, flexible Kyo and services to customers in different industries. ! There is a need to contact me! ! 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 manufacturer of springs, modern factories and professional personnel, products sold around the world. Stainless steel shrapnel etching capability: a day etched stainless steel shrapnel products up to 10 million units, is the most comprehensive strength stainless steel shrapnel etched manufacturers. For small quantities of a variety of stainless steel shrapnel processed products, our company can produce a semi-automated manner, saving operating costs related to maximize cost savings for customers is our ultimate goal, to achieve a win-win off me!