According to the different stages of copper can be divided into several categories? Copper family has a history of hundreds of years of use. They are one of the oldest metals family. Divided according to the different stages at different stages of scrap generated in industrial production can be divided into a production scrap, new scrap generated during processing, resulting in the use of post-consumer scrap old. First, a copper substandard anode, cathode and billets. General return to the previous step, the return to power converter or anode furnace (de) refining. Generally do not enter the copper market. Second, the new new scrap copper scrap refers to a new or factory internally generated scrap. It is the primary difference lies in copper alloy or add mulch process may be doped. Third, the old copper scrap refers to scrap old abandoned, used, or (manufacturer) externally generated. Old copper scrap recycling is a huge potential resource, but it is also more difficult to handle. Addressing the challenges facing the old copper are: 1, low copper content. 2, the unpredictability, the supply of daily changes. 3, scattered in various places. Dongguang scrap metal recycling companies Dongguan Dongcheng Yuan Feng renewable resource recycling company Contact: Mr. Liu Mobile: 13580923273 Fax: 0769-27281633 QQ: 3134486974 Website: http: //www.yfzy88.com/ Address: Dongguan Dongcheng District Huang Kung-pit with sand Dongguan Dongcheng Yuan Feng renewable resource recycling shop has been in existence for many years, is a large scrap metal recycling companies in Dongguan. Specializing in scrap copper scrap and other non-ferrous metal recovery and recycling of used molds and chrome steel business. The company expand into Shenzhen, Huizhou, Guangzhou, Zhongshan and other cities, while my company adhere to the "Economic development, to protect the environment," and adhere to the "credibility first, service first" principle in order to save energy and resources in order to all enterprises and institutions to reduce production costs, to provide our clients with excellent service funding. China is committed to building the province's largest, most professional waste recycling industry. Dongguan Dongcheng Yuan Feng renewable resources, recycling is a full license, with the recovery of qualification units. Units to environmental protection, science and technology, standardized as the center for the environmental protection industry activities. The above information is the industry news and information, and has nothing to promote information