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Customized acoustic beveled polyester diffuser to meet customers' requirement which can be realized from Qdboss. As one of China acoustic beveled polyester diffuser manufacturers and China acoustic beveled polyester diffuser suppliers, our factory passed CE certification so you don't worry about the quality and can buy discount products with confidence. You can also wholesale and buy discount the bulk of products with low price or cheap quotation. If you want to buy, we can give you price list.