... 4.Used for:upvc door and window Namesteel lining,steel angles,steel framing ,metal frames,The doors and windows strengthen steelTechniqueCool ... -Q235TypeC,L,U,or Profiled steel angle.ApplicationThe doors and windows strengthen steel.SurfaceBared Or Painted, Galvanized Or Clients’ Option.Country of ... Clients' Requirements.PortTianjinDelivery TimeWithin 15 days(30% in advance) Galvanized square tube