Group 1 - The Fourth China-Central and Eastern European Countries Expo and International Consumer Goods Expo was held from May 22 to 25 in Ningbo, Zhejiang Province, serving as a high-level economic and cultural event to enhance practical cooperation between China and Central and Eastern European countries [1] - The expo has become an "accelerator" for pragmatic cooperation, focusing on "hard technology" and "good products," with Chinese and Central and Eastern European enterprises exploring multi-layered and multi-field collaborations [1] - A notable exhibit was the large-space VR amusement park from Hungary's VR PARK, which aims to attract Chinese consumers by offering a unique VR experience distinct from common VR setups found in malls [1][2] Group 2 - The large-space VR project is successfully promoted in cities like Ningbo and Yangzhou, with plans to expand to 10 cities this year, targeting the younger generation, particularly Gen Z [2] - The centerpiece of the expo was the HEMEP hybrid multi-engine aircraft, the world's first multi-engine hybrid aircraft developed by Austria's Diamond Aircraft, which has been fully acquired by China's Wan Feng Group [2] - Wan Feng Group aims to become a global leader in general aviation manufacturing, having established four aircraft manufacturing bases and three design and R&D centers worldwide, with services in 90 countries [2] Group 3 - During the expo, a procurement signing event resulted in contracts totaling 2.49 billion yuan, covering various products including minerals, pet health products, and ski equipment [3] - A significant partnership was formed between Ningbo Free Trade Zone and Serbia's Vetplanet, agreeing to import pet health products worth 80 million yuan annually over three years, totaling 240 million yuan [3] - The collaboration is seen as a bright spot in the domestic pet health market, emphasizing the importance of product safety and efficacy, supported by compliance and testing from authoritative institutions [3]