Is the material of the silent cabin environmentally friendly? Is there any odor or harmful substance release?

A: All materials meet the national E0 environmental protection standard, in 16 years of production we have established a strict supply chain screening mechanism, soundproof cotton, plate, adhesive, etc. have passed SGS formaldehyde, VOC testing, before leaving the factory, need to go through 72 hours of ventilation and odor treatment, customers can use it directly after receiving it, no irritating odor, suitable for long-term closed use scenarios.