... , pellet mill, counter-flow cooler, dryer, crumbler, rotary screener, liquid adding equipment, pulse filter equipment, horizontal and vertical conveying equipment, links ... -reverse device so as to avoid the blockage caused by power failure;6. Speed detector and off track alarm sensor are ... our factory. Our certificates:ISO9001:2000,CE,GOST,SGS TDTG Series bucket elevator with CE/GOST certificate