Tianjin ZhengAo International Trading Co.Ltd. is a professional import and export enterprise which was approved by the relevant state departments. With a registered capital of 20 million Yuan, ZhengAo mainly imports copper ore, chrome ore, nickel plate and other related industrial minerals products and exports non-ferrous metals, such as magnesium ingots, magnesium alloy ingots and magnesium plate, magnesium alloy plate, magnesium sheet, magnesium alloy pipe, titanium bar, titanium rod, titanium plate, titanium sheet and other products. Besides, domestic business of these minerals also be...