GUANGZHOU -- Chinese mainland police have transferred two Taiwanese people to Taiwan -- one accused of murder and the other of obstructing public service, the Ministry of Public Security (MPS) said Tuesday.

The two, Wu Hsing-chung and Huang Jung, were transferred under the Cross-Strait Agreement on Joint Crime Crackdown and Mutual Judicial Assistance signed in April 2009.

Being wanted by Taipei district prosecutors office since September 2009, Wu is suspected of killing Wu Shan-jeou, an outspoken politician who once served as a councilor of Taipei County. He was killed in May 2007.

Wu is also suspected of being involved in a number of serious crimes and is listed by Taiwan as major wanted suspect.

Huang is suspected of disturbing public service and has been wanted by Kaohisung district prosecutors office since August 2011.

In January, Taiwan police asked its mainland counterpart to arrest and transfer Huang back to the island.

The MPS established a special panel in charge of the issue, and commanded police in Shanghai, Guangdong and Guangxi in catching Wu in Guangxi's Yulin on Jan. 31, and Huang in Guangdong's Shanwei on Feb. 20.

An unidentified official from Taiwan criminal police bureau said that police from Taiwan and the mainland have established a cooperation mechanism of investigating major and serious cases. They have achieved significant results in cracking down on telecom fraud and drug-related crimes.

Wen Daojun, deputy director of MPS's criminal investigation bureau, said that since the signature of the agreement, mainland police have arrested and transferred more than 270 suspects to Taiwan.

Mainland police will strengthen contacts with its Taiwan counterpart, enhancing cross-Strait cooperation in law enforcement, added Wen.