Premier Ventilation Duct and Fittings Manufacturer in China

Your Best Ventilation Duct & Fittings

As a professional Ventilation Duct and Duct Fittings manufacturer, we Biyang are famous for rich experience in handling project orders, custom engineering and product development, and full product line to provide one-stop solution.


Over 1000 Projects Home and Abroad Have been Using Biyang Products

Biyang have been providing Ventilation Duct and Duct Fittings for more than 1000 projects home and abroad. Among these projects, there are Spiral Duct and Flexible Duct used for Dineyland Shanghai. All kinds of HVAC Fittings are used for US oversea military base and so on


How We Help Your Business & Projects

  • All HVAC Ducts and Fittings available to save your purchasing time
  • Custom making based on your request is our strength
  • Excellent sales with 24/7 service
  • Setting up workers available to help your HVAC project at your site