... column to suit capacity requirements.2.Application of 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 of the international advanced ... ,density,aize and grade,4.We have various of Spiral Chute, such as DL2000, LL1200, LL900, LL600, LL400 etc. ...