... can be powder, sawdust ,straw, rice husk 450 Wood Powder Drying Machine/wood dryer machine /(material can be sawdust,straw,rice ... husk)Our company now self-developed 2 kinds of drying machinery with 5 TypesWith Unique design, and advanced heating mode ... ,oil and electricity, second heating circulation system design, had excellect drying effectHeat flow pulse dryer named Pipeline dryer,is the main ...