Nanjing Hangjia Electronic Technology Co., Ltd. (HJKJ for short) is a high-tech enterprise specializing in sensors, transmitters, and the Internet of Things. It mainly engages in the research and development, production, sales, and service of various intelligent pressure transmitters, measurement and control system software, and IoT applications. The company has a first-class R&D team, production equipment, testing instruments, and after-sales service system in China, and is in a leading position in the industry. At the same time, the company actively engages in industry university research cooperation with universities and institutions. In addition to improving the accuracy, stability, reliability, and intelligence of its products, it also strives to develop specialized products for segmented markets. Nanjing Hangjia Electronic Technology Co., Ltd. is a dual soft enterprise and a private technology enterprise in Jiangsu. The company's products have obtained MC metrology certification, type approval certificate for measuring instruments, software copyright, and more than 30 invention patents. The company has gathered an excellent R&D and testing team in the industry. Currently, there are 6 doctoral and master's degree holders, 8 intermediate or above professional titles, more than 10 metrological inspectors, and 70% of them have a bachelor's degree or above. Nanjing Hangjia Technology Co., Ltd. relies on independent technology and advanced manufacturing processes, and its products are widely used in many fields such as industrial control, engineering machinery, hydrology and water conservancy, food and medicine. Since its establishment, Nanjing Hangjia Electronic Technology Co., Ltd. has adhered to the development concept of "technological innovation, deep cultivation of professionalism, and segmented market", the humanistic concept of "respecting customers, caring for employees, and cherishing talents", and always followed the core values of "creating value, transmitting value, and realizing value". It adheres to the mission of "improving people's work, life, and environment with automation" and strives to achieve the vision of "becoming the most valuable automation enterprise through continuous innovation". Hangjia people will continue to uphold the craftsmanship spirit of "experts", scientifically manage and produce, adhere to the service concept of "putting oneself in others' shoes, exceeding expectations, and achieving customers", actively cultivate domestic and foreign markets, and provide high-quality and efficient measurement and control products and solutions for our customers.