- Henan Ruishi Investment Group Co.,Ltd
- China Manufacturer with main products:Abrasives , Refractory Materials , White Fused Alumina , Brown Fused Alumina , Semi-friable fused alumina , Green Silicon Carbide , Black Silicon Carbide , Zirconia Fused Alumina , Mullite , Calcium Aluminate , Magnesium Aluminum Spinel