Whosesale Angle Grinder Metal Sanding Disc Our History Zpower Abrasives factory has more than 20 years experience in developing and producing resin bond cutting and grinding wheels. Our Factory As a professional manufacturer of resin-bonded tools, Yongkang Zhengbo Abrasives Co.,Ltd. has the iron. 6. Developed for natural and artificial stone. 7. For stone grinding.Whosesale Angle Grinder Metal Sanding Disc website:http://www.zpower-tools.com/