HONG KONG, July 1 (Xinhua) -- Chinese President Hu Jintao said here Sunday that the central government will remain committed to the principles of "one country, two systems," "Hong Kong people administering Hong Kong" and a high degree of autonomy and will act in strict accordance with the Basic Law.

　　The president made the remarks while addressing a gathering marking the 10th anniversary of Hong Kong's return to the motherland and the inauguration of the Third government of the Hong Kong Special Administrative Region (HKSAR).

　　Hu pledged that the central government will firmly support the chief executive and the government of the HKSAR in exercising government power as mandated by law.

　　The central government will also fully support Hong Kong in promoting economic development, improving well-being of the people and developing democracy, said the president.

　　He promised that the central government will vigorously promote exchanges and cooperation between the Chinese mainland and Hong Kong in economy, education, science and technology, culture, public health, sports and other fields.

　　It will also actively support HKSAR in conducting external exchanges, he added.

　　"All the central government policies concerning Hong Kong are designed to promote the interests of Hong Kong and its people," he said.

　　The president arrived here Friday to attend the celebrations marking the 10th anniversary of Hong Kong's return to the motherland and the inauguration of the third-term government of the HKSAR.