Caminix CNC Machinery (Zhejiang)Co.,Ltd is the professional CNC Ball Grinding Machine manufacturer in China, Our CNC Grinding Machine is used to grind the ball valve components, like balls and seat ring. 80% of the Chinese Ball Valve manufacturers are using our machines,We also have exported to many countries. Our system is Fanuc system, by our machine your ball roundness can reach 0.01mm and surface finish roughness 0.4-0.2Ra. Our CNC ball Grinding Machine model list:QM100 1/2''-3'' QM380 3''-8''QM580 8''-16''QM880 16''-30''QM1580 30''-48''QM2280 40''-60''Welcome to send us your enquiry by e-mail.Caminix CNC Machinery