Gold Member Since 2015
Audited Supplier
Changzhou Nantai Gas Spring Co., Ltd.

Gas Spring, Gas Spring for Chair, Black Gas Spring manufacturer / supplier in China, offering Black Extensible Gas Spring for Executive Boss Chair, Hydraulic Furniture Gas Cylinder for Bar Chair, Easy Lift Nitrogen Load Gas Spring for Salon Chair and so on.

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Supplier Homepage Product Black/Chrome Gas Spring for Office Chair Black Extensible Gas Spring for Executive Boss Chair

Black Extensible Gas Spring for Executive Boss Chair

Purchase Qty.:
1,000-9,999 10,000+
FOB Unit Price: US $1.4 US $1.3
Purchase Qty. (Pieces) FOB Unit Price
1,000-9,999 US $1.4
10,000+ US $1.3
Get Latest Price
Port: Shanghai, China
Production Capacity: 600000 PCS/Per Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: 40mm, 60mm, 80mm
  • Material: Steel
  • Extension Spring Classification: Gas
  • Load Type: Compression
  • Diameter Coil Spring: 28mm&50mm
  • Shape: Cylinder
  • Bottom Treatment: Punched or Welded
  • Stroke Range: 40mm-260mm
  • OEM: Acceptable
  • General Use: Office Chair
  • Sample: for Free
  • Transport Package: 1PCS/Poly Bag, 20PCS/Carton
  • Origin: Changzhou, Jiangsu Province
  • Function: Pressed
  • Extension Spring Material: Stainless steel
  • Usage: Furniture
  • Compression Spring Shape: Cylindrical
  • Production Process: Nitrogen Filled
  • Surface Color: Chrome and Black
  • Button Color: White/Orange/Green/Customized
  • Warranty: 3-5 Years
  • F2 Pressure: 150n-480n
  • Weight Load: 150kg-200kg
  • Trademark: NANTAI
  • Specification: SGS, TUV, BIFMA X5.1, EN1335, DIN4550, ISO
  • HS Code: 8479899990
Product Description
Black Extensible Gas Spring for Executive Boss Chair

1). 8 years experience
2). 3-5 years warranty
3). samples for free
4). Factory direct selling
5). SGS, TUV, BIFMA X5.1, EN1335, DIN4550, LGA, ISO9001

Black Extensible Gas Spring for Executive Boss Chair


Surface colorblack, chrome, OEM
Bottom treatmentpunch, weld
Button colororange, white, black, green, OEM
StandardsClass 1--- Φ28 1.2mm, Φ50 1.0mm.     Class 2--- Φ28 1.5mm, Φ50 1.0mm.
Class 3--- Φ28 2.0mm, Φ50 1.2mm.     Class 4--- Φ28 2.5mm, Φ50 1.5mm.
office chair : 100mm, 120mm, 140mm
bar chair : 200mm, 230mm, 260mm
boss chair  : 40mm, 60mm, 80mm

Black Extensible Gas Spring for Executive Boss Chair
NANTAI's seal and valving system ensure the reliability, consistency and continuous product performance over gas spring design life. Operated up and down very smooth without noise. Hard chrome plated piston rod are provided with extra reliability and corrosion resistance. And No need of additional fixture for a joint as the single outer pipe with cylinder in solid steel material.


Under warranty, the gas spring can be replaced free of charge if they are not being damaged by any man-made factors.

  • High quality ABS protection shell
  • Stainless steel lifting lever
  • One time molding spring
  • 100000 times fatigue test
  • Incoming material inspection
  • Gas spring are stored for over 7 days before assembling to ensure good quality

    Company Information

    Changzhou NANTAI Gas Spring Co.,Ltd is located in Changzhou, Jiangsu, China. We are a professional manufacturer of gas lift for office chair, boss chair and bar chair.


    Established in 2007, we now have more than 150 employees and 10000 square meters workshop. We passed the international quality management system certificate ISO9001:2008, American BIFMA X5.1 testing certificate and Germany TUV LGA(DIN4550) certificate.

    Also we attend FMC, CIFF and other overseas exhibitions(India, Russia, Brazil, Turkey, Malaysia...) every year.

    We believe the quality and price of our gas spring will give you an edge over your competitors.


    Welcome to visit our company!
    Black Extensible Gas Spring for Executive Boss Chair

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