November 15th to 19th，The 25th China International High-tech Fair (hereinafter referred to as the "High-Tech Fair") was held in Shenzhen。

The theme of this year’s Hi-Tech Fair is “Stimulating Innovation Vitality and Improving Development Quality”，Focus on the "14th Five-Year Plan" layout and key areas of scientific and technological development，Comprehensive display of the world’s most cutting-edge scientific research technologies and products and other latest scientific and technological achievements。

Peking University、Nearly 30 universities including Tsinghua University have set up exhibition areas at this Hi-Tech Fair，Carefully organize numerous scientific research results to be displayed，Continuously promote the industrialization of high-tech achievements、Accelerate the development of strategic emerging industries，Show the science and education power of Chinese universities to the world。

Shandong University participates in scientific and technological achievements display and achievement transaction negotiation activities，Concentrated display of 16 latest scientific research results and advanced technologies，And won the "Excellent Organization Award" and "Excellent Display Award"；Among them，Power system economic operation team"Auxiliary decision-making system for spot trading of electricity on the electricity sales side"Won the "Excellent Product Award" issued by the organizing committee.

   The electricity sales side auxiliary decision-making system developed by the team combines weather forecasting、Integration of load forecasting and e-commerce declaration optimization strategy，Optimize the declaration strategy of the electricity sales side in the day-ahead market，Provide guidance for electricity sellers to participate in the electricity market。The system uses deep reinforcement learning algorithm，Deeply dig into the declared load on the electricity sales side、Actual load、The relationship between the historical electricity price in the electricity market and the electricity purchase cost at the electricity sales side，Guide the declaration strategy for the electricity sales side to participate in the electricity market。The results are mainly used to improve the load management capabilities of electricity sales companies，Reduce transaction risk，Reducing deviation losses and recovering profits。simultaneously，Accurate load forecasting can also contribute to the security of the power grid、Stable、Provides important basis for economic operation。

The Hi-Tech Fair is known as the benchmark for the development of the technology industry，It is known as the first exhibition of science and technology in China，It is a gathering place for technology giants from all over the world and innovative entrepreneurs in various fields。This Hi-Tech Fair attracted 105 countries and regions groups、More than 4,000 companies participated in the exhibition，Exhibition scale reaches 500,000 square meters，It is the largest Hi-Tech Fair in history so far。