Maruichi American Corporation : Producers of Steel Tubing ...
16"mill built in SUNSCO (Vietnam) Sun Steel (Hanoi, Vietnam) Co., Ltd. founded. J-Spiral Steel Pipe Co., Ltd. joins Maruichi Steel Tube Group. 2011: Maruichi Metal Product (China, Tianjin) founded opened. Mechanical structure steel tube mill at Tokyo No.2 Plant opened. No.2 factory mill at Sakai Pole Plant opened. 2012
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