Sinosi Group

The Sino Surplus International Limite SINOSI is the leading producer and sales company of silica, quartz and crystal materials and related products.

Backed by the Ministry of Geology & Mineral Resources of China and sharing the most up to date lab facilities and research resources of the Chinese Academy of Geological Sciences enabled the SINOSI a first class company in producing quality silica, quartz and crystal materials as well as the most reliable sales company in China.