Copper products are widely applied in the field of architectural decoration due to their renewable, durable and hygienic properties as well as their strong matching suitability. More than half of copper products are used for architectural decoration in the world. Copper water pipes, copper strips, copper roof sheathings, Copper and aluminum (steel) composite belts, 18k anti-corrosion imitation-gold alloys produced by Chinalco Luoyang Copper can be seen in many large-scale buildings.