Changzhou Gas Spring | Chair Parts & Gas Struts Factory China

Professional Gas Spring Manufacturer

Changzhou Gas Spring Industrial Co., Ltd. is headquartered in Jiangsu, China, and operates two advanced factories specializing in gas springs for furniture, automotive, and daily consumer applications. We are proud to be the Chairman Unit of the Jiangsu Province Gas Spring Industry Association Committee.

With excellent management skills, rich experience, a well-trained workforce, and advanced production equipment, we have built a strong reputation for delivering reliable, high-performance chair components at competitive prices.

Over 18 years in the industry
Two dedicated manufacturing facilities
Serving global clients with OEM/ODM support
Focus on innovation and quality control

Our Chair Parts Range

We offer a comprehensive selection of high-quality chair components, including gas lift cylinders, mechanisms, bases, casters, and custom solutions. All products are rigorously tested and built for durability.

Chair Gas Lift Cylinder

Available in Class 1 to Class 4 with various sizes and designs. Suitable for office chairs, swivel chairs, and bar stools.

• Seamless steel inner tube
• Diameter: 38mm standard
• Fixed & non-rotational options
• Custom colors available

Gas Spring

High-performance gas springs with customizable features for industrial and furniture applications.

• Reduced compression ratio
• High-temperature seals
• Food-grade oil fill
• High-speed extension

Chair Mechanism

All types of tilt mechanisms: swivel, synchro, knee, and multifunction for office, gaming, lab, and dental chairs.

• Ergonomic designs
• Rigorous testing
• Smooth operation
• Durable construction

Chair Five Star Base

Premium bases made from aluminum, metal, and chrome. Radius sizes: 300mm and 350mm.

• High load capacity
• Corrosion-resistant
• Stable and quiet
• Compatible with most chairs

Chair Caster

High-quality casters for all floor types. Smooth, wear-resistant, and easy to move.

• 50mm PU-rimmed options
• Mud fender design
• Swivel & universal
• Factory direct pricing

Customized Gas Lift Cylinder

Tailored gas lift cylinders to meet specific requirements including size, color, and welding type.

• Class 4, 80mm white option
• Special welding techniques
• OEM branding available
• Fast prototyping

Regular Gas Lift Cylinder

Standard gas lift cylinders in multiple classes and diameters for immediate availability.

• Class 1–4 options
• 38mm diameter standard
• Seamless steel construction
• Bulk wholesale pricing

Other Furniture Parts

A wide range of additional furniture fittings and accessories for complete chair assembly.

• Connectors & brackets
• Mounting hardware
• Replacement components
• Custom accessories

Advanced Quality Control

We maintain the highest standards in product reliability and safety through rigorous testing and inspection protocols.

Dynamic & Quasi-Static Testing

Our test rigs simulate real-world usage to ensure long-term performance and durability.

Falling Tower Test

10m high tower with falling speeds up to 40km/h to test impact resistance and structural integrity.

Precision Measurement

Advanced sensors record force, torque, acceleration, distance, and speed up to 200N.

Innovation & Design Leadership

As a leader in the gas spring industry, we invest heavily in research and development to deliver cutting-edge solutions.

Design Patents

We hold over 50 authorized patents and operate a Provincial R&D Center, collaborating with renowned universities and technical institutions.

Industry Leadership

Chairman Unit of the Jiangsu Province Gas Spring Industry Association Committee, setting benchmarks in quality and innovation.

OEM & Customization Services

We support your brand with full customization and private labeling.

Full color customization for gas lifts and components
Logo printing and branding on chairs and parts
Custom sizes, specifications, and packaging
New product design and rapid prototyping
Low MOQs with scalable production

"We can change the color according to your request, and we can also put your logo on the chair." – CZ-SGY Team

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