Which quality is the 7075 quality of aluminum board? First choice [Taihang metal] ~ Ai Ai high-end aluminum plateWhich quality is the 7075 quality of aluminum board? First choice [Taihang metal] ~ Ai Ai high-end aluminum plate Beijing Taihang Metal Co., Ltd. is located in Wuqing District of Tianjin City. The traffic is very convenient. Beijing Taihang Metal Co., Ltd. is a professional non-ferrous metal distribution company in Beijing-Tianjin and North China. Aleris Aluminum, Nanshan Aluminum, Southwest Aluminum and Northwest Aluminum have passed the ISO 9001 certification and the National Military Standard