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KB Cylinders Logo KB Cylinders

High-Performance Carbon Fiber Composite Cylinders

Engineered for safety, durability, and lightweight performance across firefighting, medical, scuba, airgun, rescue, and industrial applications. CE certified, 15-year service life.

KB Cylinders Factory

About Kaibo

Zhejiang Kaibo Pressure Vessel Co., Ltd. is a leading manufacturer specializing in the design and production of carbon fiber fully wrapped composite cylinders. As a nationally recognized high-tech enterprise in China since 2014, we hold the B3 production license issued by AQSIQ and have achieved CE certification.

With an annual production capacity of 150,000 composite gas cylinders, our products serve critical applications in firefighting, rescue operations, mining, medical systems, scuba diving, airguns, paintball, and pneumatic tools.

150,000+
Annual Production
15 Years
Service Life

Our Featured Products

Precision-engineered carbon fiber composite cylinders built for performance, safety, and reliability across multiple industries.

0.35L Carbon Fibre Cylinder

0.35L Carbon Fibre Cylinder Type 3

For Airgun / Paintball Gun

  • • Seamless aluminum liner
  • • Carbon fiber wrapped
  • • CE Certified
  • • 15-year service life
  • • EN12245 compliant
0.48L Carbon Fibre Cylinder

0.48L Carbon Fibre Cylinder Type 3

For Airgun / Paintball Gun

  • • Seamless aluminum liner
  • • Lightweight carbon fiber
  • • CE Certified
  • • 15-year lifespan
  • • Multi-layer paint finish
4.7L Carbon Fibre Cylinder

4.7L Carbon Fibre Cylinder Type 3

For SCBA

  • • High-pressure air storage
  • • For firefighting & rescue
  • • CE Certified
  • • 15-year service life
  • • Type 3 composite
6.8L Plus Carbon Fibre Cylinder

6.8L Carbon Fibre Cylinder Type 3 Plus

For SCBA / Respirator

  • • Enhanced capacity
  • • Firefighter breathing apparatus
  • • CE Certified
  • • 15-year lifespan
  • • EN12245 compliant
9.0L Carbon Fibre Cylinder

9.0L Carbon Fibre Cylinder Type 3

For SCBA / Respirator

  • • Maximum air capacity
  • • Extended operation time
  • • CE Certified
  • • 15-year service life
  • • Ideal for rescue teams
1.6L Carbon Fibre Cylinder

1.6L Carbon Fibre Cylinder Type 3

For Airgun / Mining / Rescue

  • • Multi-application use
  • • Lightweight & durable
  • • CE Certified
  • • 15-year lifespan
  • • EN12245 compliant
1.5L Rescue Line Thrower Cylinder

1.5L Carbon Fibre Cylinder Type 3

For Rescue Line Thrower

  • • High-pressure reliability
  • • Critical rescue tool
  • • 15-year service life
  • • Seamless aluminum core
  • • Carbon fiber wrapped
2.0L Slim Edition Cylinder

2.0L Carbon Fibre Cylinder Type 3 (Slim)

For Rescue Line Thrower

  • • Slim design for portability
  • • Lightweight composite
  • • 15-year lifespan
  • • EN12245 compliant
  • • High-pressure endurance

Why Choose KB Cylinders?

CE Certified

All cylinders meet EN12245 standards and are CE certified for international compliance and safety assurance.

15-Year Lifespan

Engineered for long-term reliability with a guaranteed 15-year service life under proper maintenance.

Lightweight Design

Carbon fiber construction ensures maximum strength with minimal weight for enhanced portability.

Multi-Industry Use

Trusted in firefighting, medical, scuba, rescue, mining, airgun, and industrial pneumatic systems.

150,000+
Annual Production
15
Year Service Life
50+
Countries Served
100%
CE Certified

Frequently Asked Questions

What is the difference between Type 3 and Type 4 cylinders?

Type 3 cylinders have a seamless metal liner (usually aluminum) fully wrapped with carbon fiber. Type 4 cylinders use a polymer liner instead of metal, making them even lighter. KB Cylinders specializes in Type 3 composite cylinders.

Are your cylinders CE certified?

Yes, all our carbon fiber composite cylinders are CE certified and comply with EN12245 standards for transportable gas cylinders.

What is the service life of your cylinders?

Our cylinders are designed for a 15-year service life when maintained and inspected according to regulations.

Can I use your cylinders for medical oxygen?

Yes, we manufacture medical-grade cylinders suitable for oxygen storage and delivery in healthcare environments.

Do you offer custom capacities or configurations?

Yes, we can discuss custom solutions based on your application requirements. Please contact us for more information.

Get in Touch

For inquiries about our products or pricing, please contact us directly.

Phone: +86-021-20231756 (9:00 AM - 5:00 PM, UTC+8)
WhatsApp: +86-13761381578

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