I t was a proper dressing-down for the boss from deepest China who had travelled to the capital to seek government help with overseas expansion. Vice-Premier Wang Qishan publicly interrogated the head of Sany Heavy Industry Ltd Co., a big engineering firm, about his management capabilities, asking if he was sensitive to cultural differences and the difficulty of dealing with unionized labour in the west. “If the other side’s engineers resign, are you really going to send people from Changsha overseas, and make the whole company speak Hunanese?” he asked, referring to the dialect spoken in Hunan, a province of nearly 70 million people whose capital is Changsha.