www.sdballs.comWith more than 30 years’ experience, SDBALLS is a professional steel ball manufacturer in China, has an annual production capability of over 5000 tons steel balls.They are all sold to overseas market for their most competitive price and high quality.Carbon Steel balls, Stainless Steel Balls, Chrome Steel Balls and Grinding Balls are the main products, which range varies from 1mm to 75mm and includes metric and inch sizes, standard ones, oversizes and undersizes. Applicable for industrial usage such as hardware, bearing, wheels, bicycles, toys and chemistry, military ect. We are now the leading manufacturers of semi-precision balls from Grade 100 to Grade 2000 in China. And a regular supplier to some prominent companies all over the globe.