Copper bars are generally used in air conditioning pipes, refrigerator pipes, oil pipes, water supply pipes and various mechanical supporting materials, automobile synchronizer gear rings, marine pumps, valves, structural parts, friction accessories, etc.

Brass bar is a bar shaped object made of copper and zinc alloy, named after its yellow color. Brass with copper content of 56%~68% has a melting point of 934~967 degrees. Brass has good mechanical properties and wear resistance, and can be used to manufacture precision instruments, ship parts, gun casings, etc.