Jiangsu Kaida Silica Co., Ltd is a major manufacturer of silica(quartz) products such as quartz stone, high purity silica sand, Natural cyrstalsilica powder, microsilica powder and fused silica lump and powder, quartz tube, Garnet etc.These products are widely used as materials for (optical) glass, optical fiber, electrical, electronic,semiconductor, epoxy molding compound (EMC), paint, coating, ceramic,chemical, building, foundry, precision casting, refractory and