Silica sand dryer is a machine for drying silica sand (quartz sand).It's made of 304 stainless steel ,silica sand (quartz sand)will not be polluted. Ming Zheng machinery is a professional sand dryer factory.You can find river sand dryer,sea sand dryer,yellow sand dryer,silica sand dryer,quartz sand dryer,foundry sand dryer,moulding sand dryer and other sand dryer here.