Zhongshan Huishine PCBA Co., Ltd. is located In HengLan Town, Zhongshan City of China. Our company was established In July 2017 and we are a new high-tech enterprise specializing in the research & development, manufacturing & sales of smart household appliance controllers. We have customized the PCBA for the top branded products including electric fireplaces. Portable air conditioners, bladeless fans. Electric heaters. Lift electric heating tables, heating stoves, electric smart fans, water heating blankets, electric towel racks, dehumidifers, air purifiers, and wireless Internet intelligent electronic control circuit boards with WiFi. OTA remote upgrades, Bluetooth and 2.4G functions.