ELL invented by Professor Wang Dinghua, founder of Dinghua Electronics in 1990 ® The external level measuring instrument can accurately measure the liquid level from the outside of the container, realizing the real isolated non-contact liquid level measurement. It is the world's first instrument enterprise in China, and its technology is at the advanced level at home and abroad. It is a technological revolution in liquid level measurement technology. It has been used in more than one thousand enterprises at home and abroad for hundreds of working conditions of various containers for a long time, and has won the high praise of the majority of users. In 2009, Dinghua Electronics promoted the externally measured liquid level instrument to enter the national industry standard - China Chemical Industry Standard (HG/T 21581-2010) - Automatic Control Installation Atlas. The externally measured liquid level instrument has become the mainstream instrument for liquid level measurement.
For more than 20 years, Dinghua Electronics has always attached importance to user needs and independent innovation, and has successively developed ELL ® Series Sonar External Level Measuring Instrument, DHE ® The series of products, such as radar level meter, tuning fork level switch, temperature instrument, i-Tank tank farm storage and transportation management system, have been mature and put into use in the market for many years. The continuous development, improvement and upgrading of products ensure that the technology and products are always at the leading level at home and abroad, making the products more reliable, safer and more advanced.
Since its establishment, Dinghua Electronics has devoted itself to the research of basic theory and application technology, and has won more than ten important national and industrial honors, such as the Second Prize of National Technological Invention Award, the First Prize of Shaanxi Science and Technology Award, the First Prize of Science and Technology Progress of China Petroleum and Chemical Automation Application Association, the "Independent Innovation Demonstration Unit", and the "Professional User's Most Concerned Automation Product", It has successively undertaken and successfully completed a number of national and local major science and technology research projects, including the National High Technology Research and Development Plan (863 Plan), the National Internet of Things Development Project, the State Administration of Work Safety's key technology research projects in work safety, the National Innovation Fund, and the Shaanxi Provincial Major Science and Technology Innovation Project. The company has more than 20 invention patents and utility model patents authorized by the State Intellectual Property Office, and has initially formed a cluster of independent intellectual property patents in related technical fields in China. Dinghua Electronics always adheres to the vision and mission of "providing the world with first-class automation instruments", and strives to implement the corporate culture concept of "care, responsibility, respect, learning, and integrity" to create value, honor, and happiness for every customer and employee!
