Red copper, purple copper strip. Are these products made? What is the process?
In 90s, with the establishment of socialist market economy and sustainable development, and gradually improve the national economy, the rapid growth of the scale of copper consumption, so in demand for copper and copper scrap supply market, to increase from domestic, foreign expansion. Copper imports began to increase year by year year. Domestic and imported varieties of copper scrap is 2, scrap wire, cable and a large number of low scrap motor. Chinese imported copper, mainly from the United States, Japan, the EU and Russia, the largest of which, imports from the United States, accounting for 40% of the domestic waste recycling
Smelting company, such as Chongqing, Yunnan smelter, Zhuzhou smelter, Shenyang smelter; all the blister and remelting scrap copper, electrolytic refining, to meet the production needs of enterprises, such as the Wuhan smelting plant, Taicang copper plant, Changzhou Oriental Xinyuan copper industry, Ningbo Jintian copper company, Luoyang copper processing factory, Guangzhou copper plant the full *; recycling of scrap copper production enterprises, such as Tianjin, some crude copper factory. In addition to these large and medium-sized copper smelting and processing enterprises, there are still hundreds of small copper smelter. These companies are mostly private individual or collective enterprises scrap as raw material, the production process of cupola simple, small reflection recovery, the crude copper products (commonly known as black copper), some of the final products of copper sulfate. In short, these companies produce impurities generally higher, is not directly used in the production of copper and processing of crude copper, these products should be further refined electrolytic. In the process of production and operation in the traditional, mainly distributed to domestic waste recycling regeneration evolution. According to the survey, the domestic waste copper scrap is mainly distributed in Hebei, Jiangsu, Zhejiang, Guangdong and Shanghai provinces in five provinces. And not only in Jiangsu and Shanghai, the number of copper production and recycling enterprises, the production of recycled copper is also large. At present, domestic waste recycling and circulation distribution sales mainly concentrated in the Hebei province of Qingyuan, Xin'an, Shaoxing City, Zhejiang Province, Ningbo City, the production of copper regeneration and Guangdong areas of the two main types of
The characteristics of industry accounted for 50% of total imports over a broad area. But from the recycling of large and medium-sized enterprises existing way, can be divided into four types: the large state-owned mines and smelting joint venture enterprises, such use of scrap copper recycling is mainly to supplement their own raw materials (copper) production capacity is insufficient to meet the requirements of the game, such as silver Daye Non-Ferrous Metals Co, a Daye Non-Ferrous Metals Co in Daye, Jiangxi copper company, Tongling Nonferrous Metals Co; the * copper concentrate and copper scrap, to meet the needs of production procurement
