Zheng Tuobin
... that before Zheng Tuobin became China's Minister of Foreign Trade, he spent five years performing manual labour?
... that before <b id="mwBXI"><a href="./Zheng_Tuobin" id="mwBXM" rel="mw:WikiLink" title="Zheng Tuobin">Zheng Tuobin</a></b> became China's Minister of Foreign Trade, he spent five years performing manual labour?