Group 1 - The Yellow River Basin's import and export volume reached 2.05 trillion yuan in the first four months of 2025, marking an 8.8% year-on-year increase [1] - Shandong province, a major foreign trade province in the basin, exported agricultural products worth 53.07 billion yuan, maintaining its position as the top exporter of agricultural products in the country [1] - The manufacturing base in Shandong, including various industrial clusters such as marine engineering equipment and smart home appliances, has significantly contributed to the growth of imports and exports [1] Group 2 - The fishing tackle industry in Weihai, Shandong, is notable for its scale, with nearly 5,000 companies capturing 60% of the global fishing rod market share [4] - Weihai's fishing tackle enterprises exported products worth 1.38 billion yuan in the first four months of 2025, reflecting a 19.6% year-on-year growth [6] - The fishing tackle industry has developed a complete industrial chain, including fishing rods, reels, guides, and baits, enhancing the competitiveness of local companies in international markets [7] Group 3 - The high-end manufacturing sector in Jining, Shandong, has adopted a "cloud command + ground execution" model, which has reduced diesel consumption by 35% and labor costs by 40% in mining operations [10] - The export of engineering machinery and its components from Shandong reached approximately 19.19 billion yuan in the first four months of 2025, with a year-on-year growth of over 18% [10] - The Yellow River Basin's growth rate outpaced the national average by 6.4 percentage points, driven by contributions from provinces like Sichuan and significant growth in Qinghai, Gansu, and Henan [12]