... resisting ability, series GJT-B metal detector is widely used for belt conveyors in thermal power, cement, paper, mining, forestry, environment ... copper, stainless steel, manganese steel, chrome steel, etc.105GJT-6B65040125GJT-8B80050160GJT-10B100050190GJT-12B120050255GJT-14B140060290GJT-16B160060350GJT-18B180065430GJT-20B200070480 Series conveyor belt metal detector for coal,mining equipment ...