We are manufacturer of black corundum, and has more than 20 years experience for this line.Black corundum is one type low aluminum it contains Al2O3 70-75%, mainly polishing, sandblasting, electroplating, to make resin wheel so on. If you interested in our products, please contact us. ...
Telephone:86-578-3122649
Address:Jinyun County, Lishui, Zhejiang, China