Henan Province Import & Export Co.Ltd., a qualified supplier and trading company for metal raw material and various machinery. We are located in Zhengzhou city Henan Province,which is the largest production base of construction materials and machinery in China. Main business: 1.Metal raw material: aluminum sheet or coil,aluminum rod, steel coil and so on. Our factory has 5 bar casting production lines, 10 continuous casting lines, 7 cold rolling mills, 10 foil, tension-leveling lines, ...