Duct Plus is the biggest manufacturer in China producing various flexible ducts for Ventilation needs. Our main products are: Insulated and non-insulated Aluminium flexible ducts, PVC flexible ducts, PET flexible ducts, and Semirigid aluminium flexible ducts etc... With high quality and competitive prices, our products are sold throughout all over the world, especially in Europe, Middle East, Asia, and our brand DUCT+ enjoys good reputation.

Duct Plus was established in 2004, located in Shanghai.The whole plant covers an area of 60000 square meters. Now we have about 200 skillful workers, more than 10 sets of advanced automatic production line for superior manufacturing and installation technology, annual output more than 10 million meters various ducts....

We can provide you all the products in these lines, with the competitive prices and professional services.

• Flexibel duct
• Diffuser & Grille
• Accessory
• Duct Fan
• Air Curtain

• • Non-insulated Aluminium Flexible Duct(ALU+)
  • PVC Combined Aluminium Flexible Duct(COMBI+)
  • Insulated Aluminium Flexible Duct(ISO+)
  • Silent Insulated Aluminium Flexible Duct(SONO+)
  • Semirigid Flexible Duct(SEMI+)
  • PET Flexible Duct(PET+)
• • Square Air Diffuser
  • Round Air Diffuser
  • Swirl Air Diffuser
  • Linear Slot Diffuser
  • Double Diflection Grille
  • Single Diflection Grille
  • Door Link Grille
  • Air Return Grille
  • Spiral Duct Grille
  • Eggcra Grille
  • Water Proof Grille
  • Disc Valve
• • Mini Type Cabinet Fan
  • Whisper Type Cabinet Fan
  • Circular Duct Fan
  • Clamp
  • Access Door
  • Opposite Blade Damper
  • Clip
  • Corner
  • Fitting
  • Damper Regulating Hardware
  • Tape
  • Elbow Connector
  • Flexible Duct Connector
  • Holder
• • HDD-P
  • HEE-I
  • HF-P
• • Nature wind air curtain
  • Classic ultrathin air curtain
  • Classic air curtain
  • Classic air curtain(with remote control)
  • Heavy Duty air curtain
  • Industry work air curtain