... niobium,gold ore,etc. spiral chute separator for ore (mineral)1.Description:Spiral chute separator for ore are ... Spiral Chute:Spiral chute having been successfully studied by Beijing General Research Institute of Mining & Metallurgy, glass steel spiral chute is high-efficiency reelecting new equipment ... density,aize and grade,4.We have various of Spiral Chute, such as DL2000, LL1200, LL900, LL600, ...