... install. flat,groove,ally grid. we are factory to produce this goods speciality. suspened ceiling t grid1.) Flat ceiling T-bar38# 32 ... :3600mm 1200mm 600mm and so onThe secification can be required by the customer. It is used in the hotel,home,bus ... is fire tightness , flame retarded,soundproof,anti-aging2.) The connector by unique design,when you construct the ceiling, it is easy ...