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Acoustic wall panel is made of melamine foam have catch most people’s eyes. Its soundproof effect is excellent, Muffling coefficient NRC is up to 0.95. With top grade quality good price, melamine acoustic wall panel gradually become the first choose for soundproof.
Читать далееSponge and nano sponge, cleaning sponge, super strong decontamination foam and magic sponge, using the fourth generation of new nano technology research and development of special open pore structure body, is a new type of environmentally friendly cleaning products in 21st century, and tasteless, no......
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