KINGFOUND was founded in 1997, and is a specialized manufacturer for production of colloidal silica (silica sol) , metal powder Fluorspar Powder. The products are sold both domestic international markets. Our company always follow the philosophy ...

Xuzhou fengbao mining co. Ltd. Is a major manufacturer of silica (quartz) products such as quartz tube, fused quartz, silica, high purity sand, powder, micro-silica crystal etc. These are widely used materials for (optical) glass, optical fiber, ...