
Spiral Concentrator for Chromite Tin Iron Gold Tantalum Coal Black Sand Mining. Energy Saving Design: No need of power for operation, utilizing gravity and water friction force. Customizable Voltage: Voltage can be adjusted to meet specific customer requirements. Customizable Color: Color options are available to match customer preferences. Durable Material: Made of glass fiber lined with wear-resistant polyurethane and corundum cover. Wide Application Scope: Suitable for iron, chromite, tin, gold, tantalum, and coal mining. High Recovery Ratio: Features high concentration and recovery ratio with low water consumption. Compact Design: Small floor area requirement suitable for placer mining at seaside or riverside. One-Year Warranty: Comes with a 1-year warranty covering mechanical defects.