Chengde longzhida Intelligent Instrument Technology Co., Ltd. (formerly Xinlong Electronics) is a modern high-tech enterprise integrating energy-saving and water-saving product production, software development, product and service solution integration and information service. It is one of the 14 key enterprises in Hebei Province. With a registered capital of 100 million yuan, the company is located in Shangbancheng Electronic Industrial Park, Chengde high tech Industrial Development Zone, covering an area of more than 25000 square meters. It has 80 employees, 42 professional and technical personnel of various types, 26 professionals with medium and senior titles, including 7 senior engineers, 5 external professors engaged in scientific research for a long time, and 3 technical consulting doctors providing professional services for the company It is a provincial high-tech enterprise and provincial technology center in Hebei Province. It is an enterprise with "computer information system integration qualification" in Chengde city.  

The company has 11 software registered products, and has won provincial and municipal science and technology progress award, new product award and revitalization of Hebei economy award for many times. In 2008, the company was listed as an intellectual property advantage cultivation enterprise in Hebei Province.  

The company has successively undertaken the first batch of intellectual property patent strategic guidance project "urban pipe network monitoring system" of Hebei Province, the industrialization project of "intelligent remote heat meter and its detection device" of national domestic demand promotion project, and the project of "research and industrialization of urban household instrument intelligent monitoring system based on M2M platform" of the Internet of things project of the Ministry of industry and information technology of the people's Republic of China.

The company continuously improves the core competitiveness of the enterprise, mainly focusing on the R & D, production and sales of energy-saving and water-saving intelligent control and data transmission. In cooperation with Peking University, Tsinghua University, Beihang, Taiwan and Research Institute, we have developed data remote transmission heat meter, data remote transmission water meter, remote transmission monitoring and fault diagnosis system of civil instruments, intelligent constant temperature and pressure water mixing equipment, non negative pressure water supply equipment, wireless centralized reading system of water, electricity and heat, PE pipe products with independent intellectual property rights. Due to high technology content, it is easy to use and reliable It is well received by thousands of users in hundreds of schools throughout the country, especially the intelligent constant temperature and pressure water mixing equipment. The effect of energy saving and water saving has reached more than 50%.