海关总署：中国1-6月原油进口27938.6万吨。

Group 1 - The core point of the article is that China's crude oil imports for the first half of the year reached 27,938.6 million tons [1] Group 2 - The data indicates a significant volume of crude oil imported, reflecting China's ongoing demand for energy resources [1] - The import figures may influence global oil prices and market dynamics due to China's position as a major consumer [1] - The report highlights the importance of monitoring China's import trends for potential investment opportunities in the energy sector [1]