Railway Bogie Spring / Railway Wagon Spring is the category of Helical Coil Spring or Compression Spring which is a component used in Trains to absorbing load, bumping shock, jerk and protect direct damage on Boogies. When it compressed the Spring goes downwards from the non-functioning free height and when released it returns back to free height. Railway Bogie Spring is a safety item for Railway and essential component for Passenger Coach, Locomotive and Railway Wagon for safe running on Rail Track. Railway Wagon Spring is used on the under frame steel casting or fabricated Bogie in single pc. or 8-10 pcs. assembled unit in addition of smaller Inner Spring for extra support to the unit. Bogie Springs controls the total suspension system of coach and wagon for safe running.

Garage door extension springs use resistance to help a door function. They're tightly coiled and extend and retract as a garage door operates.

Garage door extension springs use resistance to help a door function. They're tightly coiled and extend and retract as a garage door operates.

zinc-galvanized springs are subjected to the hot-dip galvanization process. This process involves immersing the steel spring in a vat of molten zinc at extremely high temperatures.

As Springs Manufacturer and Supplier, we offer Roll Up Door Torsion Springs in 1.75” , 2” , 2 5/8” , 3 3/4” , 5 1/4” and 6” inside diameters in multiple wire sizes ranging from 0.162″, 0.177″, 0.182″, 0.192″, 0.207″, 0.218″, 0.225″, 0.234″, 0.243″, 0.250″, 0.262″, 0.273″, 0.283″, 0.295″ ,0.393″,  0.406″ to 0.437″ .

Wangxia spring is committed to be your trustworthy garage door springs supplier with the high quality and competitive price springs.

As professional Garage Door Torsion Springs manufacturer, Wangxia spring has been engaged in the springs area since 2005.

Wangxia Garage Door Torsion Springs are made of ASTM A299 Oil Coated Steel wire to ensure best performance and rated for approximately 15,000 --18,000 cycles of long service life.

Wangxia spring is committed to be your trustworthy garage door springs supplier with the high quality and competitive price springs.

As professional Garage Door Torsion Springs manufacturer, Wangxia spring has been engaged in the springs area since 2005.

Wangxia Garage Door Torsion Springs are made of ASTM A299 Oil Coated Steel wire to ensure best performance and rated for approximately 15,000 --18,000 cycles of long service life. These springs come with pre-assembled cones in a variety of wire sizes and lengths.