... Steel foil,Double stitch on Grid,produced by automatic line; T-Grid Brief The T-Grid has two kinds of ... ,and some other countries ; For the British T-Grid System is widely used in Tai Wan Region,Bangladesh ... other countries ; How to know which kind of T-Grid do you need ? normally choosing for T-Grids ... that when you choose for ceiling board and T-Grid ,please keep them matching with each other ;Metric ...