Manufacturing : Type 4 cylinders

1. Location : ILJIN Composites is located in Jeonju, South KOREA.

2. Type of organisation : Manufacturer of TYPE 4 Composites high pressure cylinder.

3. General information
: Established in 1999, ILJIN Composites is one of the affiliated companies of ILJIN Group, which is the materials and component manufacturer in South KOREA. ILJIN Composites' Type 4 cylinders are manufactured based on structural analysis through optimal design using carbon fiber and HDPE liner approved in accordance with the standard of NGV2-2007(N. America), ECE R110(Europe), ISO 11439(Global), EC79(700bar, Hydrogen tank), and ISO 11119-3 (Gas transportation).

Type 4 Composites high pressure cylinder for CNG and hydrogen

What we offer

1. What is your area of expertise or know how?
: All parts of Composites cylinder manufacturing such as Design, Production, and test.
2. What type of product or service is being offered?
: Type4 Composites high pressure tanks for CNG and hydrogen.

3. What can it be used for?
: For CNG Bus, CNG Truck and Fuel cell Vehicle.

4. What are the main advantages of your solutions over other solutions?
: Technically proved with global certifications (ex. ECE R 110, NGV2-DOT FMVSS, ISO 11439 for CNG / EC79 for hydrogen / ISO 11119-3 for CNG transportation)
: Cost-effectiveness
: More lightweight

What we are looking for

1. Type of customer
- CNG Bus and Truck manufacturer
- CNG Bus and Truck retrofitter
- CNG module maker
- CNG business related distributor
- Hydrogen fuel cell vehicle manufacturer
- Hydrogen cylinder related distributor
- Type4 high pressure cylinder distributor

2. Which industry sector?
- Vehicles manufacturing(Bus, Truck, etc.)
- Vehicles Retrofitting
- Sales, Procurement (Parts)


  • Trucks / Truck tractors
    • Natural-gas vehicles
  • Light commercial vehicles (delivery vans)
    • Natural-gas vehicles
  • Buses (incl. Minibuses)
    • Buses
    • Articulated buses
    • City buses
  • Trailers, Bodies and Container
    • Gas transport containers


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