Rectangular Galvanized Steel Ventilation HVAC System Air Condition Duct

The galvanized iron sheet wind pipe is mainly coated with a layer of zinc on the iron sheet of the wind pipe to protect the iron sheet. After passivation treatment, dyeing or coating of light protectant, the zinc coating can significantly improve its protection and decoration. Widely used in hotel, shopping mall, textile, chemical fiber, petrochemical, machinery manufacturing, instrumentation, electronics, medicine, tobacco, food, medical, warehousing, office buildings and subway, civil air...