china low cost silica sand mining-silica sand processing equipment yantai xinhai offers turnkey solutions for silica sand mining --silica sand processing equipment. we are one of the leading project suppliers for silica sand mining --silica sand processing equipment and we work closely with our customers to fulfill their specific needs for a customized packaged solution.,mining equipmentchina mining equipment,mobile gold ore processing mining equipment supplier price for small scale rock alluvial diamond mine placer river sand mineral washing. us $ 4,500-4,800 / piece fob. moq 1 piece. customized customized. since 2012. contact supplier. ganzhou gelin mining machinery co., ltd. manufacturer/factory trading company.