Qingdao Haina Electric Automation Systems Co., Ltd. is a professional enterprise in the field of developing, producing and selling industrial automation products. Built in 1998, with years' development, our business has spread over the whole country. Currently, Qingdao Haina Electric Automation Systems Co., Ltd. has companies and representatives located in more than 11 cities, such as Beijing, Shanghai, Tianjin, Nanjing, Jinan, Wuhan, Shenyang, Hefei, Zhengzhou, Qingdao, Wuxi, and others. The perfect sales network system helps our business penetrate into many other industries. One of our subordinate companies, Qingdao Hiwits Meter Co., Ltd., which is subordinated to Qingdao Haina Electric Automation Systems Co., Ltd., is a high-tech enterprise covering the development and production of heat meters. We can also supply solutions of solving the problems in heating reconstruction project. As one of the important leaders in the HVAC Instrumentation industry, we ...[More]old world leading technology and offer high-quality products and services to customers worldwide. We have developed heat meters with "SST" core technology, building vertical heating system energy metering solution and related products. Qingdao Haina Electric Automation Systems Co., Ltd. sincerely welcomes all customers!