... :1.We are one of the leading manufacturer in steel ball industry in China. We are THE PRESIDENT OF STEEL ... processing of wire to high-level precision steel ball.MAIN PRODUCTS:1. Stainless steel ball, with material AISI304, 316, 420C, 440C2. Steel ... from us are widely used in several industries, such as hardware, sliders, ball bearing lead screw, wheels, toys, bicycles, bearings, trust bearings ...