garage-lawang-torsion-spring-6

Galvanis

  • Galvanis Residential Garage Door Torsion Spring

    Galvanis Residential Garage Door Torsion Spring

    Sumber seng-galvanis ngalami proses galvanisasi hot-dip.Proses iki kalebu nyemplungake spring baja ing tong saka seng molten ing suhu dhuwur banget.Akeh wong sing milih sumber mata torsi seng-galvanis amarga resistensi sing luar biasa kanggo teyeng lan karat lan menehi umur luwih dawa tinimbang sumber minyak sing paling akeh.