Ceiling channel and drywall channel, made of high-quality Snowflakes Steel, adopting laminose strut channel by Cold-formed Technology, are a kind of metal framework made after several continuous rolling. Ceiling keel and wall channel has light-weight, high-intensity, good-antisepsis and other advantages. They mainly match to paperbacked plasterboard and other goods, also the other plates such as GRC, FT and so on.