Group 1 - Shanghai Electric Spibk Engineering Technology Co., Ltd. has obtained a patent for a "natural ventilation cooling system's tube bundle anti-freezing arrangement" with the authorization announcement number CN223228818U, applied on December 2023 [1] - The patent describes a utility model that includes two heat exchange components, a louver component, and a steel support component, arranged in a triangular configuration to control airflow and prevent freezing [1] - The design aims to enhance the internal air temperature of the structure, thereby reducing convective heat transfer and preventing the freezing of the tube bundle [1] Group 2 - Shanghai Electric Spibk Engineering Technology Co., Ltd. was established in 2011 and is located in Shanghai, focusing on research and experimental development [2] - The company has a registered capital of 256.27 million RMB and has participated in 105 bidding projects, holding 74 patents and 3 administrative licenses [2]