1.We are professional Factory. 2.Work system all use high manganese steel . 3.The product exported many countries. Long Term Supply Best Quality Briquette And Ore Powder Coal ball MachineSpecifcation of Coal ball MachineBriquette and ore powder Coal ball Machine1,Long bearing lifetime 2,Save work force and power 3,Easy maitain and operate1widely used for a variety of mineral powder, metal powder, ...