On November 19, 2023, the 25th China International High tech Fair (referred to as the High Tech Fair) came to an end in Shenzhen. Under the leadership of the Chinese Academy of Sciences, our company brought LL-IIS BOD-Q water quality tester and other products to the exhibition. Many professionals who came to the venue to exchange and discuss gave high praise to our company's products. At the launch event of new products and technologies, the company's technical consultant presented a report titled "Development and Application of Key Equipment for Rapid Detection of BOD in Water Quality". In the report, a set of intelligent solutions based on microbial Coulomb method as the theoretical core and BOD-Q water quality analyzer and other products as the technical carrier were proposed to address the problem of how to quickly and accurately regulate biodegradability in wastewater treatment processes, which has been widely recognized by experts and scholars. In the project team negotiation activity, our company has conducted business exchanges with multiple teams, which is expected to achieve deeper cooperation. At this year's High Tech Fair, our company won the Excellent Product Award, which is a recognition of our technology and products. This high-tech trade fair is also an important stage for our company to increase internal exchanges and expand market opportunities. It has a positive significance in promoting the upgrading of our equipment manufacturing and keeping up with market development trends.