Dong E Blue Sky And Seven color building materials Co.,ltd. was established in 1996.today,she is the leading manufacturer of aluminum building materials in China She has passed ISO9001 quality management system certification.Also gained the "CHINA TOP BRAND".SEVEN's focus is to bulid a strong rand identity globally and produce a high quality product.SEVEN aluminum coating brand identity globall and produce a high quality product.SEVEN aluminum coating coil,ACP,and ACP-FR have been tested by SGS for its high quality according to ASTM.She has 5 advanced ACP production lines,2 solid aluminum product lines,3 coating lines,1honeycomb panel line.The annual capacity are 8 million square meters of ACP,800 thousand solid aluminum coil and 300 thousand square meters of honeycomb panel.SEVEN currently export to more than 34 countries worldwide,has a branch office in Malaysia,18 angents and distributors in Indonesia,Thailand,Australia,Russia,UAE,Egypt,India,Spain,Germany and so on.