POSCO YAMATO VINA STEEL JOINT STOCK COMPANY (PY VINA ), the manufacturer of world best quality of hot-rolled structural steel and sheet pile, is a joint venture of POSCO (51% stake), Yamato Kogyo Co., Ltd.(30% Stake), and Siam Yamato Steel Co.,Ltd.(19% Stake). PY VINA is located in Phu My 2 Industrial Zone, Ba Ria Vung Tau with steel making capacity over 1.0 million metric ton per year .

PY VINA is the first big size structural steel maker in Vietnam producing special steel including high-grade Section Steel with the variety of dimensions and standards like JIS, KS, ASTM, TCVN, BS, EURONORM, and AS/NZS. In addition, PY VINA is able to deliver the product to customer in a more reliable way by running a big private port for both domestic and international customers.