Expansion Joint, Air Duct manufacturer / supplier in China, offering High Quality Silicone Cloth Softcoated Cloth High Silica Fabric High Temperature Coated Fiberglass Fabric for Expansion Joint for Hot Air Duct Compensator, EPDM Expansion Bellows Flanged Double Ball Bellows Flexible Rubber Expansion Joints for Air Fuct Pipe for Corrosive Gas, Nylon PVC Flexible Single Rubber Sphere DN350 Rubber Expansion Joints for HVAC and Plumbing Systems for Air Duct for Slightly Corrosive Gas and so on.
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