China Aluminum Corporation Lim-ited (Chalco) is an alumina producerand supplier holding the first placein China and the second place in theworld. It is also a primary aluminumproducer and supplier holding thefirst place in China and the sixthplace in the world. The output ofalumina in the company is approxi- It is also a primary aluminumproducer and supplier holding thefirst place in China and the sixthplace in the world. The output ofalumina in the company is approxi-