Where can I get copper

Where can I get copper? For many people, copper is strange. Here is the introduction:

Copper is a transitional element, chemical symbol Cu, English copper, atomic number 29. Pure copper is a soft metal. The surface is freshly cut and red orange with metallic gloss. Good ductility, high thermal conductivity and electrical conductivity, therefore in the cables and electrical and electronic components is the most commonly used material, also can be used as building materials, can form many kinds of alloy. Copper alloy mechanical performance is excellent, the resistivity is very low, the most important of which is bronze and brass. In addition, copper is a durable metal that can be recycled multiple times without damaging its mechanical properties.