... ,Perfect surface flatness and smoothness. XIANGSAI Aluminium Clip-in ceiling system:Raw materials: 1001H24,3003H24 International standard ... weightness easy for installation and uninstallation.Application:Clip-in ceiling with outsdanding advantages,features widest applicable among ... ,appliance,air condition vent can be combined in this ceiling constructure.It can be installed for ceiling of airports, ...