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Background

Precision Gas Springs for Global Industries

For over 15 years, Changzhou Nantai has engineered high-performance gas struts, lifts, and dampers trusted in office furniture, medical equipment, and industrial automation. Certified to SGS BIFMA x5.1 & TUV LGA DIN 4550 standards.

All office gas springs certified with SGS BIFMA x5.1 & TUV LGA DIN 4550 | 100,000+ cycle tested

About CZ Nantai

A trusted Chinese manufacturer with over 15 years of innovation in gas spring technology.

Engineering Excellence Since 2008

Changzhou Nantai Gas Spring Co., Ltd is a leading manufacturer of gas springs, gas struts, and gas lifts. With over 20,000 m² of production space and a team of more than 100 professionals—including 3 dedicated engineers and 5 QA specialists—we deliver precision-engineered solutions to over 50 countries worldwide.

Our full suite of automated machinery and advanced testing equipment ensures every product meets the highest international standards, including LGA DIN 4450 and SGS BIFMA×5.1.

  • 15+ Years of Manufacturing Experience
  • 100,000+ Cycle Endurance Testing
  • Exported to 50+ Countries
  • ISO & TUV Certified Production
Factory Team Production Line Testing

Our Product Range

High-performance gas springs engineered for durability, safety, and precision across industries.

Chair Gas Spring

Chair Gas Spring

Certified for office chairs with SGS BIFMA x5.1 & TUV LGA DIN 4550 compliance. Smooth lift, long life.

  • Stroke: 75mm - 150mm
  • Force: 800N - 1200N
  • Tested: 100,000+ cycles
  • Standard: LGA DIN 4450
Lockable Gas Spring

Lockable Gas Spring

Ideal for medical beds, adjustable furniture, and industrial applications requiring position locking.

  • Lock Type: Manual/Pneumatic
  • Force: 500N - 2000N
  • Temp Range: -20°C to +80°C
  • Seal: Double O-ring
Compression Gas Spring

Compression Gas Spring

Used in automotive hoods, industrial doors, and heavy-duty equipment for controlled compression.

  • Force: 200N - 3000N
  • Stroke: 50mm - 300mm
  • Material: Chrome-plated steel
  • Finish: Anti-corrosion coating
Tension Gas Spring

Tension Gas Spring

Designed for applications requiring pull-force, such as conveyor systems and safety gates.

  • Force: 300N - 1500N
  • Stroke: 100mm - 250mm
  • End Fittings: Eyelets, clevis
  • Pressure: 150-200 bar
Dampers

Hydraulic Dampers

Smooth motion control for doors, lids, and panels. Prevents slamming and ensures quiet operation.

  • Type: Rotary & Linear
  • Damping: Adjustable
  • Oil: High-viscosity
  • Life: 50,000+ cycles
Gas Strut

Heavy-Duty Gas Strut

For industrial machinery, truck hoods, and large access panels requiring high force support.

  • Force: 1000N - 5000N
  • Stroke: 200mm - 600mm
  • Mounting: Ball joints
  • Standard: ISO 9001
Mini Gas Spring

Mini Gas Spring

Compact design for electronics, medical devices, and small furniture with space constraints.

  • Diameter: 8mm - 12mm
  • Force: 50N - 300N
  • Stroke: 20mm - 80mm
  • Weight: <50g
Custom Gas Spring

Custom Gas Spring

Tailored solutions with custom stroke, force, fittings, and mounting options for OEMs.

  • Customization: Full range
  • Prototyping: Available
  • MOQ: 100 pcs
  • Lead Time: 15-30 days

Why Choose CZ Nantai?

Certified Quality

All products meet SGS BIFMA x5.1 and TUV LGA DIN 4550 standards. Rigorous QA processes ensure reliability.

100,000+ Cycle Tested

Every gas spring undergoes extensive endurance testing to guarantee long-term performance and durability.

Global Export

Trusted by partners in over 50 countries. Fast shipping and reliable logistics support worldwide.

15+
Years Experience
100K+
Cycle Tested
50+
Countries Served
100+
Team Members

Frequently Asked Questions

What certifications do your gas springs have?

Our office chair gas springs are certified with SGS BIFMA x5.1 and TUV LGA DIN 4550. All products meet LGA DIN 4450 standards for safety and performance.

How long is the lifespan of your gas springs?

Our gas springs are endurance tested for over 100,000 up-down cycles to ensure long service life in real-world applications.

Can I customize the gas spring specifications?

Yes, we offer full customization including stroke length, force, end fittings, and mounting options. MOQ is 100 pieces.

Do you offer samples?

Yes, we provide samples for evaluation. Contact us directly for sample requests and shipping details.

What is your production capacity?

With over 20,000 m² of manufacturing space and automated production lines, we can fulfill large-volume orders efficiently.

Get in Touch

For inquiries, samples, or custom solutions, reach out to our team directly through the official website.

Contact Information

0086-519-86517078
+86-15861898424
WeChat: 506921881
QQ: 2445902304
No.166 Houqiao, Zhaiqiao Industrial Zone, Wujin, Changzhou, Jiangsu, China

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