Group 1 - APEC serves as a significant platform for trade and investment liberalization in the Asia-Pacific region, with Zhejiang's import and export value to APEC economies reaching 2.02 trillion yuan, a year-on-year increase of 3.8% [1] - The AEO certification system has become a key factor for companies to expand their markets, with private enterprises playing a crucial role in foreign trade [2][4] - Zhejiang's exports of electromechanical products to APEC economies amounted to 654.68 billion yuan, growing by 4.0%, and accounting for 45.6% of total exports to APEC [4] Group 2 - Zhejiang's private enterprises contributed significantly to trade growth, with imports and exports to APEC economies reaching 1.6 trillion yuan, a 4.8% increase, representing 78.9% of the total trade value [4] - The trade structure with APEC economies has been optimized, with notable growth in exports of automotive parts and high-tech products [4][5] - Trade with emerging markets such as Singapore and Brunei saw substantial growth, with increases of 43.3% and 78.9% respectively [5]