Dong‘ e Blue Sky And Seven Color Building Material Co.,ltd was established in 1996. She is one of the first and largest manufacturers of Aluminum building products in China, and is one of the companies who have drafted the national standard of the Aluminum composite panel. She has passed the two certificates of ISO9001 quality management system ce...

Dong‘ e Blue Sky And Seven Color Building Material Co.,ltd was established in 1996. She is one of the first and largest manufacturers of Aluminum building products in China, and is one of the companies who have drafted the national standard of the Aluminum composite panel. She has passed the two certificates of ISO9001 quality management system certification and ISO14001 environmental management system certification. In 2006 year, SEVEN brand Aluminum composite panels has.china top brand,national exempting from inspection