... ISO9001 International Quality Management System Certification. 2,New type of transporting equipment 3,Use rotary scew vane to push materials ... kinds of loose materials such as powder,granular and small piece materials, like:clay powder,plverized coal, cement,sand,grain,small piece of ... coal,cobble and cast iron filings,etc. 7,Have horizontal,inclined and combined form 8, Be suitable to loose ...