... coal mining,building. Introduction:Series GJT-B conveyor belt metal detector is the latest product in metal detecting ... , series GJT-B metal detector is widely used for belt conveyors in thermal power, cement, paper, mining, forestry ... -10B100050190GJT-12B120050255GJT-14B140060290GJT-16B160060350GJT-18B180065430GJT-20B200070480 conveyor belt metal detector for stone ,coal,mining industrial equipment