Reduce your operational costs with high-quality 4 kg CNG cylinders from Shijiazhuang Enric Gas Equipment Co., Ltd. – a leader in clean energy solutions with over 50 years of expertise.
Get Your Free Quote in 24h✅ Factory-direct pricing | ✅ ASME & DOT certified | ✅ Global shipping
Purchasing 4 kg CNG cylinders for industrial or commercial use comes with several challenges that procurement managers face:
Traditional suppliers often mark up prices by 30-50% for small to medium orders, making budget approval difficult.
According to the Global Hydrogen Review 2024, 15% of CNG cylinders fail pressure tests due to substandard materials.
Overseas shipments can take 60-90 days, delaying project timelines and increasing storage costs.
Navigating DOT, CE, and ASME certifications adds complexity, with 22% of shipments held at customs due to paperwork issues (IRENA Geopolitics of Hydrogen 2022).
Most suppliers offer standard designs, forcing you to adapt your systems to the cylinder rather than vice versa.
Freight, insurance, and import duties can add 25-40% to the base 4 kg CNG cylinder price, blowing past your budget.
At Shijiazhuang Enric, we address all these pain points with transparent pricing, fast delivery, and full certification support.
As a subsidiary of China International Marine Containers (Group) Co., Ltd., we manufacture all our CNG cylinders in-house. This vertical integration allows us to offer 4 kg CNG cylinder prices that are 20-30% lower than distributors, without compromising on quality. Our economies of scale ensure you get the best deal whether you're ordering 100 or 10,000 units.
Our cylinders are constructed from high-strength 6061-T6 aluminum alloy or 34CrMo4 steel, ensuring:
According to the Industrial Gases Market Report 2025, durability is the #1 factor for 68% of B2B buyers in the gas equipment sector – and our cylinders deliver.
We hold the most comprehensive certification portfolio in the industry, including:
This means your 4 kg CNG cylinders will clear customs in the US, EU, UK, Australia, and 40+ other countries without delays.
State-of-the-art manufacturing facility in Shijiazhuang, Hebei Province
Unlike most suppliers, we offer full customization:
| Customization Option | Details | Lead Time |
|---|---|---|
| Material Selection | Aluminum 6061-T6, Steel 34CrMo4, or Composite | +0 days |
| Pressure Rating | 200 bar, 250 bar, or 300 bar | +0 days |
| Valve Type | NGV-1, NGV-2, or Custom | +3 days |
| Color & Branding | Powder coating in any RAL color + your logo | +5 days |
| Special Features | Fire-resistant, Anti-static, or Smart IoT Sensors | +10 days |
Our strategic location in Shijiazhuang (near Beijing and Tianjin ports) and partnerships with DHL, Maersk, and COSCO ensure:
Pro Tip: For urgent orders, ask about our air freight express option – we can deliver a pallet of 50 cylinders to the US in 5-7 days.
| Model | Material | Working Pressure | Test Pressure | Dimensions (mm) | Weight (kg) | Price (USD/Unit) |
|---|---|---|---|---|---|---|
| ENR-CNG-4AL | Aluminum 6061-T6 | 200 bar | 300 bar | Ø230 x 450 | 8.2 | $125 |
| ENR-CNG-4AL-HP | Aluminum 6061-T6 | 250 bar | 375 bar | Ø230 x 500 | 9.5 | $145 |
| ENR-CNG-4ST | Steel 34CrMo4 | 200 bar | 300 bar | Ø210 x 400 | 12.8 | $98 |
| ENR-CNG-4ST-HP | Steel 34CrMo4 | 300 bar | 450 bar | Ø210 x 550 | 15.2 | $118 |
✨ Note: Prices are FOB Shijiazhuang. Bulk discounts apply (5% off for 500+ units, 10% off for 1000+ units).
Here’s how our 4 kg CNG cylinder price stacks up against competitors in the US, EU, and India:
| Supplier | Location | Material | Price (USD/Unit) | Lead Time | Certifications |
|---|---|---|---|---|---|
| Shijiazhuang Enric | China | Aluminum | $125 | 15-20 days | DOT, ASME, CE, ISO |
| Luxfer Gas Cylinders | USA | Aluminum | $180-$220 | 4-6 weeks | DOT, ASME |
| Worthington Industries | USA | Steel | $150-$190 | 6-8 weeks | DOT, ASME |
| Everest Kanto | India | Steel | $110-$130 | 8-10 weeks | ISI, CE |
| Beijing Tianhai | China | Aluminum | $135-$150 | 20-25 days | CE, ISO |
💡 Savings Spotlight: By choosing Enric, a US importer ordering 1,000 aluminum 4 kg CNG cylinders saves $55,000-$95,000 compared to domestic suppliers – enough to cover shipping costs and still come out ahead.
| Quantity | Aluminum 200 bar | Aluminum 250 bar | Steel 200 bar | Steel 300 bar |
|---|---|---|---|---|
| 1-99 units | $125 | $145 | $98 | $118 |
| 100-499 units | $118 | $138 | $93 | $110 |
| 500-999 units | $110 | $130 | $88 | $102 |
| 1000+ units | $102 | $122 | $83 | $95 |
🔹 Custom orders? Contact us for a tailored quote based on your specifications.
Our 4 kg CNG cylinders meet the strictest international standards, ensuring safety, reliability, and compliance in every market we serve.
With a footprint in 40+ countries, we’ve delivered over 500,000 CNG cylinders to satisfied clients worldwide. Our export markets include:
The price is influenced by:
Our 4 kg CNG cylinder price is typically 20-30% lower than US/EU suppliers and 10-15% lower than other Chinese manufacturers. This is due to:
For example, a 4 kg aluminum CNG cylinder that costs $180 from a US supplier is priced at $125-$145 from Enric, including DOT/ASME certification.
Yes! We offer:
⚠️ Note: Sample cylinders are not returnable, but the cost is deducted from your first bulk order.
We offer flexible payment options to suit your needs:
| Order Value | Payment Terms |
|---|---|
| $1,000 - $10,000 | 50% deposit, 50% before shipment |
| $10,001 - $50,000 | 30% deposit, 70% before shipment |
| $50,001+ | 30% deposit, 70% LC at sight or TT after inspection |
✅ Accepted payment methods: TT (Telegraphic Transfer), LC (Letter of Credit), Western Union, PayPal (for small orders)
💡 Pro Tip: For first-time buyers, we recommend starting with a small order (e.g., 100 units) to test quality before scaling up.
Our packaging meets international shipping standards to ensure your 4 kg CNG cylinders arrive safely:
🌍 For sea freight: We provide all necessary documentation (packing list, commercial invoice, bill of lading, MSDS, and certificates).

Absolutely. Our commitment doesn’t end at delivery. We provide:
💬 Need help? Contact our after-sales team at aftersales@enricgroup.com.
Import duties vary by country. Here are some general guidelines (always confirm with your local customs):
| Country/Region | Import Duty Rate | VAT/GST | HS Code |
|---|---|---|---|
| United States | 0% (under HTS 7311.00) | 0% | 7311.00.00 |
| European Union | 0% (if CE marked) | 20% VAT | 7311.00.00 |
| United Kingdom | 0% | 20% VAT | 7311.00.00 |
| India | 10% | 18% GST | 7311.00.00 |
| Australia | 0% | 10% GST | 7311.00.00 |
| Nigeria | 5% | 7.5% VAT | 7311.00.00 |
💡 Pro Tip: We can provide a Duty Calculator for your specific country. Contact our sales team for an estimate.
Yes, you’re welcome! We encourage factory visits to build trust and ensure our quality meets your expectations. Here’s what to expect:
📅 How to arrange a visit:
✈️ Visa Support: We can provide an invitation letter to help with your Chinese visa application.
- Mark Johnson, Procurement Manager at GreenEnergy Solutions (USA)
"We compared quotes from 5 suppliers, and Enric’s 4 kg CNG cylinder price was the most competitive by far. The aluminum cylinders we received were lightweight, durable, and DOT-certified – exactly what we needed for our fleet conversion project. Delivery was on time, and their after-sales support has been excellent. We’ve since placed two more orders."
- Sophie Müller, Logistics Coordinator at EcoGas GmbH (Germany)
"Importing from China can be a headache, but Enric made it effortless. Their 4 kg CNG cylinders came with all the necessary CE and TUV certifications, and the paperwork was perfect. No delays at customs, and the cylinders passed our internal quality checks with flying colors. Their team even helped us optimize the packaging for better container utilization. Highly recommend!"
- Rajiv Patel, Technical Director at InnoFuel India
"We needed 4 kg CNG cylinders with a custom valve type and our company branding. Enric not only delivered on our specifications but also suggested improvements to the design that enhanced safety. The 4 kg CNG cylinder price for our custom order was still very reasonable. Their engineering team was responsive and proactive throughout the process."
- Carlos Rodriguez, Operations Manager at GasTech Middle East (UAE)
"We’ve been sourcing 4 kg CNG cylinders from Enric for the past 3 years, and they’ve never let us down. Their pricing is consistent, quality is top-notch, and their ability to scale with our growing demand has been a game-changer. We recently placed an order for 5,000 units, and the entire process – from quote to delivery – was smooth and hassle-free."
- Emma Wilson, CEO at CleanFuel Exports (Australia)
"As a distributor, we need a supplier that can provide competitive 4 kg CNG cylinder prices while meeting the certification requirements of multiple countries. Enric ticks all the boxes. Their cylinders are AS/NZS certified for Australia, and they’ve helped us expand into New Zealand and Southeast Asia. The bulk pricing is unbeatable, and their team is always ready to support our growth."
See how we handle inquiries and support our clients:
Join 500+ global businesses that trust Enric for high-quality, affordable CNG cylinders. Limited stock available at current promotional rates – inquire today!
🌍 Regional Contacts:
⚡ Limited-Time Offer: Orders placed before [Insert Date] qualify for free air freight on the first 100 units!
🔒 100% Satisfaction Guarantee: If you’re not happy with the quality, we’ll refund your deposit or replace the cylinders at no cost.
🚚 Fast Delivery: Standard orders ship within 7-10 days; express orders in 3-5 days.
We respect your privacy. Your information will not be shared. See our Privacy Policy.
Founded in 1970, we’re a pioneer in gas storage equipment.
Trusted by clients in the US, EU, Middle East, and Asia.
DOT, ASME, CE, ISO, TUV, and more – we’re fully compliant.
Proven track record with zero major quality incidents.
15-20 days to most global ports; express options available.
Factory-direct rates with bulk discounts – save 20-30% vs. competitors.
✅ 100% Satisfaction Guarantee | 🔒 Secure Transactions | 🚚 Global Shipping
-Hengkai Natural Gas Liquefaction Project
-Changming Phase II Natural Gas Liquefaction Project
-Hwange Natural Gas Liquefaction Project
-Tianhao Coalbed Methane Liquefaction Project
-Tianyun Coalbed Methane Liquefaction Project
-Shuntai Coalbed Methane Liquefaction Project
-60.000 cubic meters/day
-60.000 cubic meters/day
-60.000 m3/day*2 sets
-200.000 cubic meters/day