JMH is a family company with 30 years of experience in the industrial instrumentation sector. It manufactures and markets instruments for pressure and temperature measurement. Pressure gauges, diaphragm seals, thermometers, thermowells, flushing rings, pressure generating pumps, capillaries, valves and manifolds. We are representatives of the company LEEG Instruments for its entire line of pressure and temperature transmitters. The company has a laboratory for instrument repair and certification.