Material£º20G¡¢16Mn Standard£ºGB5310-95¡¢GB6479-2000¡¢GB9984-88
TIANJIN XINAO HONGYE STEEL PLATE & PIPES CO.,LTD [Manage] Mobile phone£º13312080688 13752599908 19963522999 19963823999 ADDR£ºRoom 211, Building A, Jin Chen steel city Beichen Road Beichen District Tianjin China Design£ºtdrxkj.com