Our Products
we can make all the springs of garage door, overhead door.
roll-up door springs
all size of roll-up door springs available with high carbon steel
overhead door springs
various specification of overhead door springs can be made with wire up to 15mm,especially huge overhead door springs
garage door extension springs
not only torsion springs for garage door springs, but also customized extension spring can be ordered
Our Advantages
quality material
ASTM oil tempered steel
High Output
ASTM oil tempered steel
All sizes available
wire diameter
0.1-60mm
ISO certified
IATF 16949:2006
Trusted By Over 1000 Clients
Why Choose Us
Lower your
cost
good price is a power weapon
Save your time
huge capacity mean short delivery time
quality springs
a whole systerm to gurrantee quality
boom your business
always think in your side as teammate
About Us
XULONG SPRING is a professional manufacturer of customized springs and wire forms,we have been digging in spring field since 1979,thanks to all our skilled staffs’ hard working,now we are the the largest spring factory in Foshan city,Guangdong provice.
There was a long time,our economy is planned economy,all the factories belonged to the government,our factory is such a case,our
Spring Expert For Over 43 Years!
Client Testimonials
FAQ
Most frequent questions and answers
we can make various of customized springs, of course garage door springs included，
amply speaking,we make torsion spring and extension spring of garage doors.
for torsion springs, there are commercial door springs and residential door springs we made, also mini-storage spring and rolling steel springs.
more specifically, garage door torsion springs are sorted into Residential garage door springs（we named them R springs inside our factory) and Commercial garage door springs(we named them C springs inside),residential garage door springs with small inside diameter usually 1-3/4″ while commercial garage door springs own much bigger and multiple inside diameter from 1-3/4″ to 6″.
there are several kinds of steel can be used to make garage door springs,like oil-tempered steel,high carbon steel, and there are many grades of them, but according to our exprience, the most economic steel for garage door springs is carbon steel is oil temper steel which meet ASTM A229.
we have strict testing processes for incoming, including size,tensile strength,metallography testing.
usually there are many options to choose for our garage door springs as below:
- powder coating
- zinc coating
- electro-coating
- oil surface treatment
and we recommend surfacet treatment electro-coating which is economic and great character of rust prevention.
for the time being, we manufacture 500-600 Ton each month and still extra 200 Ton of capability to accommodate more orders.
all of our garage door springs are sold to oversea market,like UAS,Australia,and own high reputation with quality and service.
We sent
6 containers/week
to USA
