Duct Clamp, TV Bracket, Folding Shelf Bracket manufacturer / supplier in China, offering Galvanized Steel 225mm Rapid Lock Duct Pull Ring Clamp for Dust Collection and Bulk Conveying Systems, 125mm Quick Release Rapid Lock Duct Ring Drum Locking Ring Hose Clamps, Dust Extraction 100mm Adjustable V-Band and Ring Clamp for Industrial Air Ducts and Modular Ventilation Application and so on.