Malo onse a Bestar Garage Door Torsion Springs amapangidwa kuchokera ku waya wotentha kwambiri, wotentha mafuta, amakumana ndi ASTM A229.
Eni nyumba ndi mabizinesi osiyanasiyana amafuna mitundu yosiyanasiyana ya zitseko zamagalaja kuti akwaniritse zosowa zosiyanasiyana.Pachifukwachi, monga opanga ndi ogulitsa Garage Door Springs, timasunga mitundu yosiyanasiyana ya masika.Ku Bestar Door, timagwira ntchito ngati ogulitsa Garage Door Torsion Spring kwamakampani omwe amafunikira akasupe apamwamba kwambiri kuti apange zinthu zapamwamba kwambiri.Mukamayang'ana akasupe apamwamba kwambiri ndipo mukufuna ogulitsa omwe mungadalire, musayang'anenso kuposa Bestar.
Makhalidwe Okhazikika:
(1) 0.225 mu kukula kwa waya x 1.75 mainchesi ID x 29 mainchesi L yokhala ndi khodi yofiyira
(2) Kuyika Kosavuta: Ikani zatsopano kapena sinthani akasupe akale mwachangu
(3) Zosachita dzimbiri: Zitsulo zokutira zokutirawonjezaniutumiki moyo