ZIBO SANKYO RIKAGAKU CO., LTD. was invested by Riken Corundum, Luxin, and Zhongli Abrasives in 2002. We owned two factories in China after acquiring Changzhou RMN Abrasives in 2015. With 9 world-class production lines, a fully automatic warehouse, and other Hi-Tech equipment, we are well-known around the world as an upscale coated abrasives manufacturer. In June 2022, ZIBO SANKYO RIKAGAKU together with Sisha MT Coated Abrasives Co., LTD. became the 100% subsidiary of Japan SANKYO RIKAGAKU CO.,