[Jie Weinuo to recommend the star product - galvanized duct] Jie Weinuo Industrial operating more than 10 years of production and installation of ventilation ducts central air conditioning and ventilation engineering, the annual output of 300,000 tons of galvanized pipe central air conditioning and ventilation business, large ventilation Smoke installation works. [Jie Weinuo to recommend the star product - flange plate duct] Jie Weinuo galvanized duct thickness 0.5-1.5 specifications complete daily production of 3,000 square meters, machine cut galvanized sheet business, duct spray, also processing fees low, plans to design and installation services. [Jie Weinuo to recommend the star product - flange plate duct price advantage] Jie Weinuo unique production total of flange plate duct, angle iron flange duct, spiral duct, FRP duct, galvanized iron sheet Duct pipeline system for air transport and distribution of galvanized metal duct can be divided into round duct central air conditioning system, rectangular duct, oval duct, and other kinds, including round duct height of least resistance The maximum size, making complex.