Material:Hot Dipped Galvanized Steel / Aluminum Alloy Surface: Zinc Coating Galvanized steel: 80g/sqm. Type: Flat / Groove Color: White / Black / Golden / Silver Length: 3600 / 1200 / 600 / 300mm Item: Main Tee / Cross Tee / Wall Angle Certificate: ISO / CE / COC / SONCAP Application: Ceiling System Structure