Qingdao Haiweizi Instrument Co., Ltd. is a high-tech enterprise specializing in the research and production of products in the field of urban smart energy management, with a registered capital of 50.1 million yuan. The company adheres to technological innovation and has a high starting point and a large platform since its establishment. It has established a new product system of "measurement, energy conservation, and control" to serve the field of municipal energy management. It is committed to providing industry customers with products and system solutions such as measuring instruments, data collection, energy-saving control, and smart water/heating management platforms. Based in Qingdao, Haiweizi has established branches or offices in major cities across the country, including Beijing, Tianjin, Shijiazhuang, Taiyuan, Shanghai, Nanjing, Hefei, Jinan, Zhengzhou, Wuhan, Xi'an, Urumqi, Qingdao, Guiyang, Guangzhou, Changsha, Haikou, Chengdu, Hangzhou, Fuzhou, etc. Haiweizi has built a wide coverage and real-time response marketing and service network system, fully providing professional pre-sales technical consulting, thoughtful in sales and after-sales services to meet customers' all-round needs. Haiweizi has obtained multiple industry qualifications and has been rated as a national high-tech enterprise, an AAA credit enterprise, and a third level qualification for computer information system integration. The company has numerous patents and software copyrights, and has been awarded the title of "Shandong Province Patent Star Enterprise". In 2015, it established the "Qingdao Smart Water System R&D Expert Workstation"; At the same time, it has been awarded honors such as "Qingdao Famous Brand", "Qingdao Specialized, Refined, Unique and New Demonstration Enterprise", "Qingdao Municipal Technology Innovation Center", and has been recognized as "Shandong Provincial Specialized, Refined, Unique and New" and "Qingdao Enterprise Technology Center". After more than ten years of market testing and accumulation, it has gained recognition and approval from partners and users in the industry. Haiweizi focuses on product quality management and has passed ISO9001 quality management system certification, ISO14001 environmental management system certification, ISO45001 occupational health and safety management system certification, ISO10012 measurement management system AAA certification, GB/T29490-2013 intellectual property management system certification, and five-star certification for post sales service evaluation system. It has also established a sound product traceability system and continuous quality control mechanism, forming Haiweizi's unique quality culture. With excellent quality, continuous innovation, and refined management, Haiweizi will uphold the spirit of "daring to be the first in the world", constantly explore new directions in the industry, promote brand building, enhance corporate competitiveness, provide customers with excellent products and thoughtful services, and achieve win-win results with customers and partners.