... such as: the construction of metal curtain wall 3003 Aluminum Coil, Jiangsu DaOu Aluminum Industry Co.,Ltd, Located in beautiful and ... roll grinderrepair, with an annual output of high-grade aluminum coil, sheet, strip, foil, alloy composition l Series and 3Series, and ... lines with annual output of 500 million square; two aluminum sheet metal production lines, with an annual output of metal finishes ...