Are you sourcing Type 4 CNG cylinders for your next fleet or distribution project in the USA? As a B2B buyer, you need cylinders that are lightweight, corrosion-free, and meet DOT/ECE R110 standards. A Type 4 cylinder – with a polymer liner and full composite wrap – offers up to 40% weight savings over steel and extends service life. In 2026, supply chains from China deliver these cylinders at competitive FOB prices with flexible MOQs. This guide covers everything an import manager or brand owner must evaluate: materials, certifications, lead times, and how Zhuzhou XingYe Chemical (a 10+ year Chinese gas equipment factory) supports your bulk CNG cylinder needs.
Why US Importers Are Switching to Type 4 for CNG Storage
The CNG vehicle market in North America is expanding – over 300 new fueling stations planned for 2026. But traditional steel (Type 1) and steel-lined composite (Type 2/3) cylinders have drawbacks: heavy weight reduces payload, steel liners corrode over time, and repair costs are high. In parallel, B2B buyers face price volatility from domestic suppliers and MOQ pressure from large overseas factories. This is where Type 4 CNG cylinders from a reliable China supply chain become a strategic asset.
- Weight: Up to 70% lighter than Type 1, better fuel efficiency.
- Corrosion resistance: Non-metallic liner eliminates internal rust.
- Fatigue life: 15,000+ cycles per ISO 11439.
- Cost: Lower shipping costs per unit (FOB).
What Makes a Type 4 CNG Cylinder Different?
Type 4 cylinders consist of a high-density polyethylene (HDPE) or polyamide liner fully wrapped in carbon fiber or hybrid composite. No metal liner means no galvanic corrosion – ideal for high-humidity coastal states like Florida or Texas desert heat. The working pressure for CNG is typically 250 bar (3,625 psi) in the US market. Our partners in Hunan, China, produce Type 4 cylinders with the following typical parameters:
| Specification | Value | Compliance |
|---|---|---|
| Capacity | 50L – 300L water volume | DOT FMVSS 304, ECE R110 |
| Working Pressure | 200 – 250 bar | ISO 11439, NGV2-2007 |
| Liner Material | PA6 (polyamide) or HDPE | FDA/USDA for food contact (if required) |
| Burst Pressure | ≥ 4.5x WP (1,125 bar) | EC79 (EU), CSA B51 (Canada) |
| Weight (80L) | ~35 kg | Compared to 60+ kg for Type 1 |
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*Actual parameters may vary per order; always request a technical datasheet for your specific application.
Why Source Type 4 CNG Cylinders via Zhuzhou XingYe Chemical?
While our core business is industrial gases and steel cylinders, we have extended our supply chain to include the latest composite CNG cylinders for clients who need Type 4. Our China-based factory relationships – built over 10+ years – ensure you get:
Powerful Factory Capacity
3 production lines, monthly output 8,000+ Type 4 units (80L equivalent).
Quality Assurance
ISO 9001, DOT, and TPED certified; each cylinder goes through hydrostatic burst test, leak test, and cycle test (sample-based).
OEM/ODM Support
Custom valve configurations, branded labeling, packaging according to your distributor requirements.
- High-Speed Delivery: Lead time 35-50 days for MOQ 200 pcs; express line 15 days for sample orders.
- Low MOQ: Starting from 50 pcs for first trial order (8-gram type not applicable; CNG cylinder MOQ *).
- China Supply Chain Advantage: FOB Shanghai or Shenzhen, competitive freight rates to Long Beach / Savannah.
What US B2B Buyers Say
Mike Chen
Import Manager, GreenFleet Inc. (California)
“We switched from a domestic steel cylinder supplier to XingYe’s Type 4 composite cylinders. The weight reduction saved $200 per truck annually in fuel. The first order of 500 units was delivered 48 days after PO, with full DOT paperwork.”
Sarah Thompson
COO, Midwest CNG Systems
“The OEM service was exceptional. They embossed our brand logo directly into the liner dye, and the packaging met our safety standards. Fast communication on WeChat and email – always responsive.”
James Ryan
Procurement Lead, Trident Energy Texas
“After auditing 3 Chinese factories in 2025, XingYe Chemical gave us the most transparent price breakdown and certifications. Their Type 4 containers are now the standard for our biogas CNG trailers.”
Eric Wu
Owner, East Coast Gas Supply
“We tested 10 cylinders to 0.75x burst pressure – all held. The technical team even helped us modify the neck ring design for our mounting brackets. Great long-term partner.”
David Martinez
Senior Gas Equipment Sourcing Specialist | 18 years in industrial gas & composite cylinder supply chains
David has worked with 40+ factories across China, India, and South Korea. He currently advises North American importers on CNG storage optimization and regulatory compliance.
Your Next Steps: Get a Customized Quote for Type 4 Cylinders
We understand that every project is different. Whether you need Type 4 cylinders for transit buses, light-duty trucks, or stationary storage tanks, our team provides:
- Technical parameters tailored to your pressure, volume, and fitting needs.
- Certification package: ISO 9001, DOT/ECE, material COA, batch test reports.
- Commercial terms: FOB / CIF / DDP with payment via T/T, L/C at sight, or PayPal (samples).
- After-sales support: 2-year warranty against manufacturing defects, online technical assistance, and spare parts availability.
Ready to evaluate? Contact us at:
📞 Tel: +86 13787826843
💬 WhatsApp: 19313298383
✉️ Email: boss@happywhip.com
🌐 Website: https://www.whipways.com/contactus.html
Disclaimer: Technical data is based on typical Type 4 cylinder specifications from our approved suppliers. Actual product details, including certification validity and exact weight, must be confirmed in your order contract. Zhuzhou XingYe Chemical Co., Ltd primarily supplies steel cylinders and gas equipment; Type 4 cylinder offering is subject to factory audit and per-order confirmation.
