... instead of manganese steel plate, stainless steel, steel grit, concrete used for lining, funnel lining silo, chute lining, have convenient installation ... instead of manganese steel plate, stainless steel, steel grit, concrete used for lining, funnel lining silo, chute lining, have convenient installation ... price than about eighty percent, and life is up for three to six times. Can also make filter, the ...