we can offer soundproof with canopy and silencer for generating sets,The type of this soundproof canopy can achieve the noise level of not higher than 70dBA at 1 meter . Our product have been popularized all over the world, pls know the fact that we always do reputable business, because we respect our customers. If this items interest you pls don't hesitate to contact us,we will pleased to service you at any time you available.