Nan-sha

Tseng-mu Reef is described in Peking publications as "the southernmost part of China" and within the Nan-sha (Spratly) group of islands.

1975 April 7, “Sino-Malaysian Territorial Disagreement”, in Staff Notes: East Asia, CIA, published 2001, page 5

Since then, there have been disputes over the question of ownership of the Hsi-sha and Nan-sha islands. The navy of the Nguyen Van Thieu Regime even fought with us at Hsi-sha, ending in a disastrous defeat for them. The Chiang Kai-shek clique now occupies some of the Nan-sha islands.

1979, “Problems with Socialist Countries”, in King C. Chen, editor, China and the Three Worlds: A Foreign Policy Reader, M.E. Sharpe, →ISBN, →LCCN, →OCLC, page 273

Since 1966, extensive offshore reserves in the continental shelf—stretching from the Yellow Sea as far as Hsi-Sha (Paracel) and Nan-Sha (Spratley) Islands in the South China Sea—have been reported in official Chinese statements,³ reinforcing the long-maintained claim that the PRC holds the third-largest oil and gas reserves in the world.⁴

[1982, Agatha S.Y. Wong-Fraser, “People's Republic of China”, in James Everett Katz, Onkar S Marwah, editors, Nuclear Power in Developing Countries, Lexington Books, →ISBN, →LCCN, →OCLC, pages 119–120