Intelligent Controller, Frequency Conversion Controller, Switch Power Supply manufacturer / supplier in China, offering DC Inverter Heat Pump Controller PCBA Cc1076 for Dual System Low Temperature Water Heater and Cooler, Cc1076 Four Compressor DC Inverter Heat Pump Controller PCBA for Low Temperature Water Heater and Cooler with Auxiliary Circuit Eev, Modbus Online, HVAC Tuya Temparature Controller Smart Wireless Thermostat and so on.