made of high-quality snowflakes steel,adopting laminosestrutchannel by cold-formed technology,are a kind of metal frame workmade after several continuous rolling,ceiling keel and wall channelhas light-weight,high-intensity,good anti-rust and otheradvantage,they mainly match to paperbacked plasterboard and othergoods,also the other platers such as GRC,FT and so on.

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