... :according to your drawing 3.Oem 4.Iso 9001 the drive motor pulleys1) STANDARD MATERIAL ACCORDING TO TECHNICAL DRAWINGS2 ... drum,Drive pulley,Discharge pulley,Motorized pulleys etc. Against the existing gear oil-cool electric roller bearing capacity of ... transmission efficiency; processing simple, and good technology, the advantages of lower cost, the formation of a new alternative products -- "Living ...