The Henan Changge non-ferrous metal recycling processing industry is rapidly growing up., has gradually form a nationwide recycling network .Dazhou town in Changge city, the well-known biggest (mainly recycles domestic metal scrap) non-ferrous metal distribution place, by nearly 20 years'development, the recycling quantity of the copper and aluminum amounts to over 200,000 tons every year. At present, Changge has formed four markets: Zhongyuan Nonferrous Metal Trading Market, Zhongzhou Aluminum Profile Market, Stainless Steel Market and Metal Charging Market. With 1000 enterprises and 400,000 employees engaged, Changge reaches an annual transaction volume of 400,000 tons and its turnover up to 4 billion yuan. Changge is a processing enterprise relying mainly on aluminium material industry. It mainl utilize local old and scrap aluminium material to produce all kinds of pipe that used in travel tent. In recent years, the non-ferrous metals industry of Henan grows fast, especially the development of aluminium industry, has already become the pillar industry of Henan Province.