Our factory was established in 1994 and could do whole process including wire drawing, cold-flow model, ball flashing, heat treatment, grinding, polishing, cleaning and packing. The products are widely used in bearings, instruments, meters, and various hardware Parts punching, valve, grinding, hardness tester, pump valve, petroleum, chemical industry, metering equipment and many other fields. Please visit https://www.zjballs.com/ for more detail.