Xi Jinping, general secretary of the CPC Central Committee, on Monday urged the country's armed forces to be "absolutely loyal" to the Party, sharpen fighting capacity and abide by disciplines.
China's top oceanic administration will be restructured in a move to strengthen maritime law enforcement and better protect marine resources.
A China Marine Surveillance (CMS) detachment on Sunday started a joint ship-helicopter patrol of the Xisha Islands in the South China Sea.
A China Marine Surveillance (CMS) detachment was officially stationed in the nation's southernmost city of Sansha on Saturday.
A marine surveillance fleet departed from Sanya in south China's Hainan Province Friday afternoon for regular patrols in the South China Sea.
Despite mounting pressure on its peripheral security situation, China's defense budget growth will slow in 2013 for the second consecutive year.
China plans to raise its defense budget by 10.7 percent to 720.2 billion yuan ($114.3 billion) in 2013, according to a budget report to be reviewed by the national legislature.
A Chinese maritime helicopter carried out a patrol mission in the South China Sea on Monday afternoon, the Guangdong Maritime Safety Administration said.
The PLA has elected 268 people - a younger group that includes more women and grassroots soldiers - to the 12th National People's Congress.
China has obtained "adequate" evidence of Japanese warships and airplanes conducting close-range monitoring and surveillance of the Chinese navy.
China denies Japan's claims on armed ship
Chinese military websites were attacked an average 144,000 times a month in 2012 by foreign hackers, with 62.9 percent from the United States.
China's aircraft carrier, the Liaoning, dropped anchor for the first time at a naval port on Wednesday morning.