The ceiling decorative panel made of gypsum board, generally measuring 500mm × 500mm, 600mm × 600mm, it has good sound absorption, fire retardant, and new product positioning point waterproof and fireproof gypsum board, this gypsum board It does not require manual bullets, which saves time and labor.
When purchasing gypsum board, it can be visually inspected, that is, the front side of the board is visually observed. If the surface is smooth and smooth, there are no pores, stains, cracks, corners and color imbalance, and the upper and lower layers of kraft paper are bonded, and the quality is higher. You can also tap the gypsum board by hand. If the sound is very solid, it means it is very durable. If it emits a very empty sound, it means there is an empty drum in the board. In addition, the package should have the product name, trademark, quality registration, manufacturer name, date of manufacture and moisture, care and product marking.
Electric Socket,Electrical Socket,Switch Socket
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