China on Tuesday again warned Google not to stop filtering its web search engine results, as rumours swirled about the company's plans following its threat to leave over censorship and cyberattacks.

The United States is to blame for recent tensions in Sino-US ties and must take steps to repair the damage, Chinese Premier Wen Jiabao said on Sunday, indicating no let-up in their diplomatic row.

Google will have to "bear the consequence" if it insists on violating China's laws and regulations, a senior official warned on Friday.

China on Friday hit back at US President Barack Obama over his comments on the value of the yuan, saying the issue was not a political one and was not the solution to global trade imbalances.