Columbia subject headings:
Harvard subject headings:
Ma'anshan Ma gang zong gong si--Periodicals.
Ma'anshan gang tie gong si--Periodicals.
Ma'anshan gang tie gu fen you xian gong si--Periodicals.
Steel industry and trade--China--Ma'anshan (Anhui Sheng).
Princeton subject headings:
Ma'anshan gang tie gong si--Periodicals.
Periodicals.