مكان المنشأ
Tianjin, China
اسم العلامة التجارية
WANGXIA
product name
Garage Door Torsion Spring Garage Door Springs
species
Black torsion spring and galvanized torsion spring
Material
Steel, Carbon steel, Stainless steel, Alloy
Usage
Shutter door, garage door
Wire Dia
5--7.5mm, as your requst
Surface treatment
Zinc-plated, , Electrophoresis Coating , Oxide Coating
Certification
ISO 9001 :2008
Place of Origin
CN,Tianjin