Tee ceiling grid (exposed ceiling grid) with QRC alloy head is the best in the word, meet or exceed below demands for morden buildingintensityfireproofhigh precisionquick instation and maintaness to save timeFeatures: DXWT grid: patented technology, steel-alumnum combination.manufactured by imported auto equipment, high precision, suitable large area ceiling suspension.equilibrium capacity 8.3kg/m2, suitable for many kinds of ceiling suspension boardhot-dipped galvanized treatment, anti-corrision and rust resistance. 10 years warranty, and 15 years system warranty when used with Star-USG mineral board.solid groove grid series: bold outline,bright segmentation, good sense of space and texture for Lay-in ceiling suspension system.Specification: Standard size main Tee 3000mmx38mmx15mm cross Tee 1200mmx38mmx15mm Effect pictures