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29 Apr, 2021Sound Insulation SexWooden door is processed by whole solid wood and become, so its density is high, door plate massiness is heavy, also because of this so wood door has good sound-absorbing sex, can effectively play the role of sound insulation.Aluminum alloy door window basically is formed by aluminum profile structure, glass structure and hardware fittings structure, the sealing requirement when 3 people join is taller, thickness is not enough, jail-cut, sealing quality does not reach the sta......