Suzhou Jiudu Changes in Tempreture of technology Co., Ltd. is member of Shenzhen CATIC Intelligent System Co., Ltd. is engaged in automatic control systems and instrumentation R & D, production and management of high-tech professional company. Our main business direction is based on the HVAC industry, providing comprehensive automation products and services. These products include pressure switch / pressure switch (pressure switch), the pressure transmitter / differential pressure transmitter, pressure gauge / differential pressure tables, actuators and control valves, temperature / humidity / dew point sensors, liquid level, flow meters, flow switches and transmitters, carbon dioxide, carbon monoxide sensors, widely used in HVAC, air conditioning, semiconductor, food, pharmaceutical, biotechnology, intelligent buildings, power plants, chemical, water treatment, environmental monitoring, etc., while the company is the formation of independent development and production of proprietary product lines. All these are relevant in the field of international price / performance than the best of the mainstream products.