Windows, Curtain Wall, Building Materials manufacturer / supplier in China, offering Powder Coated Ral9016 Aluminum Grid Keel - Weather, Anodized Aluminum T-Bar Ceiling Keel - Champagne Color, Hv200 Hardness, 600X600mm Grid, Lightweight Light Steel Stud Keel - 75mm Width, Drywall Partition Frame and so on.