Chinese Vice President Han Zheng meets with Lao Vice President Pany Yathotou, who is in Beijing for the Global Leaders' Meeting on

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Maintaining permanent good-neighborly friendship with China and engaging in long-term mutually beneficial cooperation are the prio

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α烯烃产业集中度较高。从地区来看，北美是全球最主要的α烯烃生产基地，占全球专产总产能的62%；前五大生产商（包括雪佛龙菲利普斯、壳牌、英力士等）合计占据全球专产产能的86%。在需求端，北美同样是最大的消费市场，占比35.8%；其次为东北亚（21.6%）和西欧（

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