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For many years Sanhua has been a leader in development and manufacturing of electronic expansion valves for HVAC&R industry. Focus was given on electronic expansion valves (EEV) for OEMs who had their own controller for EEV or third-party controllers in combination with SANHUA EEV. Due to increased demand for Sanhua products in Wholesalers and Installers (WS/I) market, particularly for electronic expansion valves series DPF, Sanhua has developed a complete package solution, especially adopted to the needs of WS/I and small OEMs: electronic expansion valve, dedicated controller, pressure and temperature sensor.