A certain technology limited company is located in Gansu Province, and its main business scope includes: approved projects that can only be carried out after approval by relevant departments; general projects: software development; Basic software development for artificial intelligence; Production and sales of chemical products (excluding licensed chemical products): research and development of biochemical product technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion (except for licensed businesses, projects that are not prohibited or restricted by laws and regulations can be operated independently). Licensed project: production of hazardous chemicals;

In March 2025, the company had 3 liquid chlorine horizontal tanks that needed to be equipped with external level measuring instruments. Previously, other companies' instrument products were used, and the original level gauges often malfunctioned. Through research, it was found that Dinghua instrument products do not use hot work, do not clean the tank, and do not open holes. Therefore, it was decided to use Dinghua products, which have been in good condition ever since.