Justa (China) Imp and Exp co.,ltd is the top 500 Chinese enterprises,mainly engaged in the production of high quality all kinds of copper and aluminium ,with a history of over 20 years.After the revolution of the production techniques,now the annual output has reached 60000 tons,which is the largest production base of copper and aluminium in the world.The products have been sold to the USA,Europe,the Southeast Asia and the Middle East.The main raw materials come from inside the group and we have built up a railway transport system which ensures convenient purchase and quick delivery.We also boast the largest effluent treatment plant in China for environmental protection.