Founded in 1964, Jiangsu Subei Grinding Wheel Factory Co., Ltd. specializes in producing grinding wheels, vitrified boned wheels, rubber bonded wheels and resin boned wheels.1. D3-1600mm; T5-550mm2. Grit: F8 to F12003. Grade: D to Y4. Maximum operating speed: 80m/sGrinding wheels mainly be used in industry field (super-hard metal or non-metal series). Our products are very popular in America, Canada and India. The quality has passed ISO9001:2008 certification. Our brand of "RENMIN" has gotten the honor of "State Silver Medal".Look forward to any relevant requirement.