This type of copper contains 99 % pure, bare copper. The copper waste ordinarily comes from roofers, plumbers or heating engineers. In the course of day-to-day operate, copper residues come up in the form of pipes, leftover items of rails and sheets or as waste from punching. Did you at https://copperwirescrapprice24320.bloggazza.com/31249522/everything-about-scrap-copper-wire-prices-chart-usa