Group 1 - The State Intellectual Property Office of China has published a patent application by Shanghai Energy Construction Engineering Design Co., Ltd. for a "Hydrogen Production and Refueling Integrated Station Control Method" with publication number CN120444536A, filed on May 2025 [1] - The patent describes a control method for an integrated hydrogen production and refueling station, which includes sequentially connected hydrogen production equipment, hydrogen buffer tank, first-stage compressor, first-stage hydrogen storage tank, second-stage compressor, second-stage hydrogen storage tank, and refueling equipment [1] - The control method regulates the operation of hydrogen production equipment, first-stage compressor, second-stage compressor, and refueling equipment based on the pressure relationships among various components during the refueling process [1] Group 2 - Shanghai Energy Construction Engineering Design Co., Ltd. was established in 2002 and is located in Shanghai, primarily engaged in professional technical services [2] - The company has a registered capital of 110 million RMB and has made investments in one external enterprise, participated in 928 bidding projects, and holds 89 patents [2] - Additionally, the company possesses one trademark and has 19 administrative licenses [2]