A potential buyer speaks with a real estate agent at a residential property fair in Shanghai, China.

Speculation that the Chinese government will implement further measures to cool the country's bubbly property market has sent stocks of major Chinese developers tumbling in recent weeks. But analysts tell CNBC this provides investors an opportunity to hunt for bargains.

China's cabinet on Wednesday restated intentions to extend a pilot property-tax program to more cities and urged local authorities again to put price-control targets on new homes, in a fresh bid to calm frothy real estate markets.