SOLAR PANEL, MODEM, ELECTRONIC ENERGY METER, INVERTER /UPS, PCB ASSEMBLIES, METER BOX, CURRENT TRANSFORMER, METER TEST BENCH, REFERENCE METER, METER READING INSTRUMENTS, PREPAID METER, PANEL METER, HIGH AND LOW VOLTAGE DISTRIBUTION SYSTEM, DIAPHRAGM GAS METER (MFR. AND SUPPLY METER FOR ELECTRICITY, WATER AND GAS)