Gjt Industrial Metal Detctor for Powder or Granular Material / Mine Quipment Basic Info. Model NO.: GJT Type: Metal Detector Application: Home, Industry, Communication Electronic Products, Special Equipment, Car/Motorcycle, Traffic Usage: Metal Installation Mode: Built in Export Markets: South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia Additional Info. Trademark: Pianyi Packing: Standard Export Packing Origin: Shandong Production Capacity: 15 Sets/Month