Chinese property shares tanked on Thursday, after measures announced by officials to bolster the flagging real estate market were deemed by investors and economists to be too piecemeal.

China's Housing Minister Ni Hong, speaking at a briefing, says the government will expand a program to support "white list" property projects to 4 trillion yuan ($562 billion) from about 2.23 trillion yuan already deployed.

Intel products sold in China should be subject to a security review, the Cybersecurity Association of China (CSAC) said on Wednesday, alleging the US chipmaker has “constantly harmed” the country’s national security and interests.

Intel's China unit said on Thursday it has always prioritised product safety and quality, after an influential Chinese cybersecurity association called for a security review of the U.S. chipmaker's products sold in China.

A Chinese agency backed by the country’s internet overseer is pushing for an investigation into Intel Corp. products sold domestically, warning of security flaws and high failure rates.

China will never commit to renouncing the use of force over Taiwan, the government in Beijing said on Wednesday after another bout of war games and a visit by Chinese President Xi Jinping to the scene of a famous defeat for Taiwanese forces.

Chinese leader Xi Jinping visited the province directly across from Taiwan after the military he leads carried out more major exercises intended to ramp up pressure on the government in Taipei.