It sounds like science fiction - a factory, located hundreds of kilometres above the Earth, churning out high-quality materials.
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With the domestic economy in the doldrums, China has maintained growth by exporting. Its trade surplus surged to a record of nearly $1.2 trillion last year, though exports to the U.S. fell after President Donald Trump sharply raised tariffs. But the growth in exports to other countries has met pushback from governments worried about their own industries and workers.，推荐阅读下载安装汽水音乐获取更多信息
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