dxysherry  yahoo.cn

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it is light weight, low density ceiling. The specification
is 595*595mm, 600mm*600mm, 603mm*603mm etc, and
 thickness is 12mm, 14mm, 15mm, 16mm, 18mm and 20mm.
It is soundproof, heat insulation and fire resistance.
And it can keep the room cool in summer and warm in winter.
It widely used in hospital, hotel, house, train station,
office, meeting hall and so on.