... are the direct factory 2.For food,grain,mining,coal,sand,metal powder,packaged prodcuct 3.Long distance to 40m ... 10-2011 20-4015-30Application Industry Widely used in mining, gravel field, metallurgy, building materials, chemical , mineral processing, coal mining ... To transport powder, granular materials and bags,such as coal, gravel, sand, cement, fertilizer, and grain.Our CompanyWe have more than 15 ...