1. VB/CE/ISO certification for quality 2. Low-energy consumption 3. Well-after sale service ore spiral chute Spiral chute is used for: gold, silver mine, leadzinc, tin, limonite, pyrite, hematite and limonite, tantalum and niobium and non-metallic mineral ore separation of the re- election of efficient equipment. Rotating spiral concentrator enrichment up to 75-150 times.Technical parameters: ...