TuohaiTech™ founded in 1998, is a trustworthy innovative technology company, and the largest gas sensors and instruments manufacturer in China and listed on China’s Growth Enterprise Board in the first batch, devoting ourselves to promise a safe, environmental friendly, healthy and smart working and living environment. Based on IOT industry, TuohaiTech™ will combine sensors, intelligent terminals, communication technology, cloud computing and geographic information IOT technology together closely to create TuohaiTech™ cloud so as to establish a complete IOT industry chain. TuohaiTech™ focuses on the customer value oriented, provide perfect solutions for smart city, production safety, environmental protection, health of the people's livelihood.