... Good quality and easy frabrication Curtain Wall Profile1)Material : 6063 6061 6060 and different aluminium alloy2) ... class)6)Use: can be widely using aluminium window, door, curtain wall, hand railing , normal aluminium profile, decorative and industrial aluminium ... , CHINA TOP BRAND, ISO9001-2000, CHINA SQUARE&ROUND COMMITTEE DNV curtain wall profile