The copper bus bar complies with the International Electro technical Commission IEC. One grade oxygen-free copper, the copper content of up to 99.97%, the resistivity of less than 0.017241, for the highest standards in the industry. The copper tape is widely used in telecommunications, power, petrochemicals, railways, meteorology, military, computer rooms, and intelligent building lightning protection and grounding project, as a ground material, lightning down conductors, and other potential connections.