LONJIE products and systems are suitable for HVAC(Heating, Ventilation and
Air Conditioner), catering, auto and industrial systems wherever fluid and gases
media need to be measured, controlled and regulated. Whether the application is
filling, level, flow, pressure or temperature we have a solution and a uniquely
comprehensive range of products to handle it, including gas controls, all kinds
of solenoid valves, burners and accessories.