China's top prosecuting body has said that whistleblowers who expose corruption and other wrongdoing would receive legal protection against reprisals.

Drugmaker GlaxoSmithKline, which was slapped with a record $489 million fine for corruption in China last month, said on Tuesday it was looking into allegations of corruption in the United Arab Emirates.

Ketchup maker H.J. Heinz Co has recalled some infant food in eastern China after it was found to contain lead in excess of the allowable limit, the company said on Monday.

Volkswagen AG's premium brand Audi said it would cut spare-part prices in China as global automakers rush to change their pricing strategies after Chinese anti-monopoly regulators began probing the auto industry.

中国信用债风险逐步升级，继首现利息支付违约案例后，首单本金违约债券亦隐现。中国民营建筑工程企业--华通路桥集团周三的一纸公告，令市场神经再度紧张。

Huatong Road & Bridge Group Co Ltd has said it was uncertain whether it would be able to pay interest or principal on a 400 million yuan ($64.48 million) one-year bond set to mature on July 23, which it blamed on an ongoing official investigation into its chief executive.

Shaken by a fraud investigation into metal financing in Qingdao, the world's seventh-busiest port, banks and trading houses have been made painfully aware of the risks they face storing commodities in China's sprawling warehouse sector. Melanie Burton and Fayen Wong of Reuters report

China's Shanxi Coal International Energy Group said it was suing the company at the centre of the alleged metals financing fraud at Qingdao port and its parent for more than $177 million in missed payments the two had guaranteed, a move that suggests the scandal is starting to affect other sectors in China.

China has moved to regulate informal bond market makers who have long provided critical services in a legal limbo, detailing the conditions under which they can operate and how they should apply for promotion to formal market-making status.

China's Qingdao Port Authority and the city's police are investigating a private metals trading firm, Decheng Mining, over a suspected metal financing scam at the port, two police sources with direct knowledge of the matter said.