China’s developers are ready to turn a corner. Yu Liang told investors last week that the property market in the world’s second-largest economy was “oversold”. The chair of $22 billion China Vanke is worth listening to. He has steered the homebuilder clear of a growing debt crisis in the sector - and “survival” was the prescient headline topic of the company’s annual internal meeting in 2018 not long before the market soured.