Tianjin Wangxia Garage Door Torsion Springs ana ƙera su ne daga high-tensile, waya mai zafi mai zafi, saduwa da ASTM A229, yayin da maɓuɓɓugan torsion mai zafin mai suna zafi kuma suna kashewa a cikin mai.
Kamar yadda Garage Door Spring dillali, muna da yawa daban-daban masu girma dabam na Garage Door Torsion Springs samuwa don sayan don dacewa da iri-iri na mazaunin da gareji na kasuwanci.