WSJ: Six years ago, Chinese engineers set out on a risky path to turn trash into treasure. China’s breakthrough in Nickel processing. Anything US incapable of doing claiming China engaged in “slave labor” or “excess capacity”, maybe the truth is own incompetence? 《華爾街日報》：六年前，中國工程師踏上了一條變廢為寶的冒險之路。中國在鎳加工方面取得突破。美國無能為力，還指責中國搞“奴隸勞動”、“產能過剩”等等指控，或許事實就是美國自己無能吧!
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