We are Shanghai OKONOFF electric LTD based in Shanghai, China. We are member of TradeKey.com since July, 2012. Our business is related to Packaging & Printing industry and we specifically deal in thermostat and timer controller. Please find our product details below: Valve Actuator (DQ Series) Valve Actuator Product Summary DQ series of motorized ball valves are used to control the on/off of the water system in HVAC system, consisting of actuator and valve body. Actuator (driver) adopts Thermostat (TSP750 BF) Thermostat 1. Product Summary: TSP750 series of touch screen thermostats are usually applied to control the fan speed of fan coil of central air-conditioning, motorized valve and wind valve Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.