Model NO.: NT-B
Extension Spring Classification: Duckbill Hook Tension Spring
Load Type: Compression
Diameter Coil Spring: Small coil spring
Bottom: Punched or Weilding
Loading Weight: 0-150kg
Specification: SGS, TUV
HS Code: 84798999
Extension Spring Material: Stainless steel
Usage: Furniture, Chair
Compression Spring Shape: Cylindrical
Production Process: Steel
Color: Black or Chrome
Certificates: SGS or TUV
Button Color: Orange or Blue or Green or White or Black
Warranty: 2-5 Years
Package: 20 PCS/Carton
nantai gas spring group is a professional gas spring manufacturer in china mainland. we have been in gas spring industry for eight years. after so many years development, we have improved in production management and quality control. nantai gas spring group own a professional sales group, we can solve all your questions for our products. quick and good reply is our service duty.quality is our culture.
adjustable made in china steel seat spring
used for boss chair/ office chair/bar chair etc.
nant gas spring have good reputation all over the world by high quality ,
good service. 5 year warranty for the goods.
stroke for different kind of chairs.
boss chair: 40mm, 60mm, 80mm
office chair: 100mm, 120mm, 140mm
bar chair: 160mm,180mm, 200mm, 260mm, 330mm
all the samples are free, just freight will be undertaken by your side.
or you can arrange global express company to pick up the samples from our factory.
if you have your own size, welcome you send us your samples,
we can make sample and production accordingly.
outer tube color: powder coating & chrome
button color: white, black, orange, green etc.
class is different from the thickness of medium tube & outer tube.
class 1---1.2mm, cheaper price, two year warranty(normal)
class 2---1.5mm, cheaper price, three year warranty(better)
class 3---2.0mm, expensive price, five year warranty(much better)
class 4---2.5mm, more expensive price, five year warranty (best)
fob shanghai or c&f price if you need
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