■ Ruifeng Machinery is a company that has been focusing on manufacturing air duct equipment for 17 years! The main ventilation processing equipment we produce includes: air duct production line, air duct material receiving platform, laser cutting machine, common plate flange machine, five line reinforcement machine, pneumatic angle coding machine, full function biting machine, hydraulic folding machine, CNC plasma cutting machine and other products! It can also be customized according to the customer's drawing requirements!