Solid Ca Cored Wire Technical Progress and Market Promotion---Mr. Zhang Jianping - 视频

Solid Ca Cored Wire Technical Progress and Market Promotion---Mr. Zhang Jianping

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  • 2014/7/3 16:45:43
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Solid Ca Cored Wire Technical Progress and Market Promotion ---Mr. Zhang Jianping, Director of technology centre of Maanshan Iron and Steel Company