The easy assembly method of the ceiling suspension system facilitates a fast and convenient way for installation/un-installation. Its nature of fire-resistance is far more superior to the traditional interior decoration materials of wood and it is available for various kinds of ceiling panel in installation, like miner fiber board, gypsum board, PVC gypsum board and metal ceiling panel Main runner: 32x24 or 38x24 thickness 0.20, 0.25, 0.30, 0.40mm Length 3000 or 3600mm Cross tee: 24x26, thickness 0.20,0.25,0.30,0.40mm length 1200mm or 600mm Wall Angle: 20x20 or 22x22 thickness 0.20, 0.25, 0.30, 0.40mm Color: White, Ivory, wood or others colors are also available on client request.