Containers for compressed gas, valves of metal, other than parts of machines, namely, water-pipe valves of metal, piston valves, ball valves, gate valves, gas discharge valves, gas shut-off valves, flap valves, mechanical earthquake valves.;
Pressure regulators [parts of machines] for controlling the pressure and flow of gas, pressure reducers, pressure valves, pressure switches as parts of machines, hydraulic and pneumatic actuators.;
Gas alarms, flow regulators, solenoid valves, steam solenoid valves, gas solenoid valves, compressor solenoid valves, stainless steel solenoid valves, ex-proof solenoid valves, gasoline and fuel solenoid valves, flanged solenoid valves, solar panels; electric and electronic components for use in industrial, hydraulic, pneumatic machines; measuring and checking indicators, test equipment namely flow, level, pressure and temperature measurement and control instruments, level switches, flowmeters, level measuring instruments, level gauges, flow switches, flow indicators, pressure sensors, pressure gauges, temperature sensors, thermometers, manometers, thermostats, thermocouples, humidity meters, electronic control systems, position sensors, hydrometers, digital torque gauges, ampere-hour meters, circuit breakers, circuit distribution boards, water level gauges, gas meters, gas testing equipment and apparatuses.;