JIUJIANG HENGTONG AUTOCONTROL DEVICE CO.,LTD.

JIUJIANG HENGTONG AUTOCONTROL DEVICE CO.,LTD. is a joint-stock manufacturer in Jiujiang, Jiangxi, specializing in key control and functional components used across household and automotive appliance systems. Its product portfolio includes thermostats (low- and high-temperature), thermostat assemblies, pumps, LED lights/boards, capillary tubes, and a wide range of injection-molded parts used in refrigerators and freezers, water dispensers, home and car air conditioners, environmental conditioning equipment, fryers, ovens, electric water heaters, washing machines, and dishwashers.

The company operates large-scale, dedicated production lines for different product categories, including multiple lines for low-temperature and high-temperature thermostats, thermostat assemblies, LED assembly, pumps, and capillary tube production, supported by injection molding capacity. Published capacity figures include more than 40 million thermostats per year, more than 30 million thermostat assemblies, 40 million LED lights, more than 20 million pumps, and 1,000 tons of capillary tubes.

To support product development and manufacturing automation, Hengtong cooperates with East China University of Science and Technology to run an Academician Workstation, working with Mr. Duan Zhengcheng and his team. The company also maintains an independent R&D function and uses advanced inspection and reliability testing equipment—including thermal shock testing, AOI, ICT, RoHS detection, and lifetime testing—to strengthen quality control throughout production.