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About product and suppliers:
        Alibaba.com offers 646 china polyurethane duct panel products. About 33% of these are sandwich panels, 1% are other boards. 

A wide variety of china polyurethane duct panel options are available to you, such as metal, nonmetal. You can also choose from free samples. 

There are 646 china polyurethane duct panel suppliers, mainly located in Asia. The top supplying country or region is China, which supply 100% of china polyurethane duct panel respectively. 

China polyurethane duct panel products are most popular in Southeast Asia, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 397 with ISO9001, 179 with ISO14001, and 65 with OHSAS18001 certification.