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RYMAX Laminated Calcium Silicate Board | Drywall | Ceiling RYMAX Laminated Calcium Silicate Board is a kind of new green building materials which is to meet the demand of wall decorating revolution for environment friendly, energy saving, radiation reducing, easy installation. Fiber reinforced calcium silicate board is used as basic materials; proc
RYMAX Low Frequency Magnesium Sound Insulation Board | Soundproof Panel | Acoustic Board RYMAX Low Frequency Magnesium Sound Insulation Board is developed to meet the needs of the insulation of Ultra-low frequency noises in the Bar/KTV, etc. Other sound insulation materials in the market are weak or even disable to the Ultra-low/Low frequency noise
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