China's economy faces challenges such as default risks for certain firms due to 'mismanagement'

China's economy is "Doing well", but faces challenges such as default risks for certain firms due to "Mismanagement", the People's Bank of China governor Yi Gang has said concerns have grown in recent weeks over the possible collapse of property developer china evergrande group which has more than 300 billion dollars in liabilities and has missed three rounds of interest payments on its dollar bonds.