Core Viewpoint - The cooperation framework agreement signed between Guangdong Province and the National Market Supervision Administration aims to build a unified market in the Guangdong-Hong Kong-Macao Greater Bay Area, promoting fair competition and supporting Guangdong's leadership in China's modernization efforts [1]. Group 1: Network Security and Data Governance - A network security review and certification system has been established, with the release of the "Cross-Border Personal Information Protection Requirements" to standardize data transmission and processing, covering the entire data lifecycle [2]. - A trusted digital identity and mutual trust mechanism has been introduced, supporting cross-border recognition scenarios and ensuring data security during transmission and storage [2]. - Policies for collaborative governance of market supervision big data have been formulated, including the establishment of the Greater Bay Area Competition Policy Committee to eliminate discriminatory policies and combat monopolistic behaviors in the livelihood sector [2]. Group 2: Cross-Border Services and Efficiency - The implementation of "Bay Area Unified Services" and cross-border RMB electronic tax payment services aims to streamline tax and social security processes, reducing operational costs for businesses [2]. - A mutual recognition mechanism for personal information cross-border processing has been formed between mainland cities and Hong Kong, significantly reducing compliance barriers [3]. - By 2025, the time required to establish a business in Guangdong is expected to be reduced to half a day, with improved efficiency in cross-province government services [3]. Group 3: Challenges and Recommendations - Despite simplified certification processes, small and medium-sized enterprises still face significant resource demands to meet cross-border data security requirements, affecting their market participation [3]. - There is a need for deeper institutional collaboration among the three regions to establish a "negative list" for cross-border data flow and a unified dispute resolution mechanism [4]. - The establishment of a cross-border data security certification mutual recognition mechanism and the promotion of blockchain technology are recommended to lower technical adaptation barriers for enterprises [4].