Wholesale 3kg Gas Cylinder – Food-Grade N₂O Tanks from a Trusted Chinese Factory
About the Author
David Chen – Senior Gas Equipment Specialist with 16 years in the industrial gas cylinder industry. He has overseen the production of over 500,000 cylinders exported to North America and Europe, and regularly audits facilities for DOT/UN compliance.
Are you a wholesale buyer searching for a reliable 3kg gas cylinder supplier that offers consistent quality, competitive pricing, and on-time delivery? At Zhuzhou XingYe Chemical, we specialize in manufacturing food-grade nitrous oxide (N₂O) cylinders – from 580g chargers up to 3kg tanks – for the global food service, diving, and industrial sectors. With over a decade of expertise, we supply OEM/ODM solutions, complete certifications (COA, MSDS, ECM, Food-Grade), and flexible MOQs as low as 50 units. Read on to discover why import managers, brand owners, and wholesalers trust our wholesale 3kg gas cylinder program to serve their customers reliably.
Solving Your Top Sourcing Challenges
Procurement managers face common friction points when sourcing small gas cylinders:
- Inconsistent fill weights – leading to customer complaints and wasted gas.
- Non-compliant cylinders that risk customs delays or DOT rejections.
- Long, unpredictable lead times – up to 60 days from unvetted factories.
- Lack of customization – no OEM branding, packaging, or valve options.
Our 3kg gas cylinder service directly addresses these pain points. Every tank is manufactured under ISO 9001 quality management, tested to meet DOT 3AL (for U.S. import) and UN ISO 9809-1 standards, and filled with 99.9% pure food-grade N₂O. We offer MOQ from 50 units, typical lead time 15–25 working days, and full OEM support including custom labels, barcodes, and retail-ready packaging.
Wholesale 3kg Gas Cylinder – Technical Specifications
Below is a typical configuration for our 3kg N₂O cylinder. All values are nominal and may vary per order; please confirm exact specifications on your order contract.
| Parameter | Value | Notes |
|---|---|---|
| Gas Capacity (N₂O) | 3 kg ± 20 g | Filled by weight, overfill prevention check |
| Water Capacity | ~3.6 L | Allows safe expansion at 60°C |
| Working Pressure | 180 bar (2,610 psi) | Typical for N₂O cylinders |
| Test Pressure | 300 bar (4,350 psi) | Per DOT 3AL & ISO 9809 |
| Cylinder Material | Chromium‑Molybdenum Steel (30CrMo) | High strength, corrosion resistant |
| Outer Diameter | 108 mm (4.25") | Standard for 3L water capacity |
| Total Height | 380 mm (15") | Without valve; valve adds ~50 mm |
| Valve Connection | CGA 326 (0.825‑14 NGT) | U.S. standard; also available CGA 320 |
| Cylinder Weight | ~5.2 kg (empty) | Varies with valve and finish |
| DOT/UN Certification | DOT 3AL / UN ISO 9809 | Third‑party inspected batch |
Disclaimer: Specifications are for reference. The final product and markings shall comply with the purchase agreement and relevant U.S. regulations. We can adjust dimensions and valves for your market.
Compliance That Meets U.S. Import Requirements
Every 3kg gas cylinder we ship to the United States is manufactured under a strict quality control regime. We provide the following certifications with each batch:
- COA (Certificate of Analysis) – Batch‑specific gas purity (≥99.9% N₂O) and fill weight.
- MSDS (Material Safety Data Sheet) – Compliant with OSHA Hazard Communication Standard (29 CFR 1910.1200).
- ECM (European Conformity) & Food‑Grade Certificate – Validates that the N₂O meets purity requirements for food contact.
- DOT & UN Certificates – Cylinders are designed and tested per DOT 3AL (49 CFR) and UN ISO 9809‑1. Each cylinder is stamped with the approved marks.
- ISO 9001:2015 – Our factory is audited annually for quality management systems.
We also assist with Customs clearance documents (e.g., US Coast Guard exemption letter if required). Our export team has shipped hundreds of containers of N₂O cylinders to the U.S. since 2016 without a single product refusal due to misdocumentation.
Commercial Terms Designed for Wholesale Buyers
MOQ
Standard MOQ: 50 units for stock cylinders; 100 units for OEM branding. Sample orders (1–2 pcs) available with freight collect.
Lead Time
Usually 15–25 working days after deposit and artwork approval. For urgent orders we can expedite to 10 days (subject to production capacity).
OEM / ODM Support
Custom label design, cylinder color, valve options (CGA 326, CGA 320, Pin‑Index), and retail box printing. We even offer custom head‑stamp markings with your brand name.
Packaging & Logistics
Cylinders are packed in corrugated cartons with foam dividers (6‑12 per carton) or on pallets wrapped in stretch film. We ship via FOB, CIF, or DAP to U.S. ports (Houston, Long Beach, New York).
After‑Sales & Payment
We offer a 12‑month warranty against manufacturing defects in cylinder body and valves. Payment terms: T/T (30% deposit, 70% before shipment) or L/C at sight for qualified buyers. Please note: All cylinder refilling should be performed only by certified facilities. Use our cylinders only with compatible regulators and equipment.
Our Factory – Real Production Capability
Automated cylinder filling station
Finished goods warehouse – 3kg cylinders ready for export
wholesale 6kg gas cylinder wholesale 9kg gas cylinder 3kg gas cylinder supplier
Valve torque and leak testing department

These images represent our actual facilities in Zhuzhou, Hunan. We welcome factory audits at any time.
What Our Clients Say
James R. – Import Manager, SweetWhip Distribution (Newark, NJ)
“We’ve sourced 3kg N₂O cylinders from three different Chinese factories over five years. XingYe is the only one that delivers consistent fill weights, proper DOT stamping, and never misses our delivery window. Their after‑sales support is quick and helpful. Highly recommend for wholesale.”
Maria S. – Brand Owner, PerfectWhip Inc. (Los Angeles, CA)
“I needed OEM labeling with my own logo and barcodes for a new retail line. The XingYe design team understood my requirements in one call and delivered samples within two weeks. The final product looks professional and the quality is excellent.”
Andy T. – Wholesaler, GasPro Supply (Miami, FL)
“Price is competitive, but what keeps me coming back is the fact that their cylinders pass US Customs without hassle – and my customers never complain about leaks or underfill. I’ve placed three orders so far, and I’m planning a fourth this quarter.”
Liam K. – Sourcing Agent, B&T Global Procurement (Chicago, IL)
“As a sourcing agent, I need a supplier I can trust with my clients’ money. XingYe’s documentation is always complete — COA, MSDS, DOT certs — and they communicate clearly in English. Lead times are realistic. They’re now on my approved vendor list.”
Sophie L. – Restaurant Chain Purchasing Mgr, Sweet Treats Group (Austin, TX)
“We switched to XingYe’s 3kg cylinders for our dessert bars. The gas quality is consistent and the cylinders are easy to handle. The MOQ of 50 worked well for our pilot launch. Now we’re ordering in 500‑unit batches.”
Why Choose XingYe for Your Wholesale 3kg Gas Cylinder?
- Powerful Factory – 10+ years, 180 employees, 12,000 m² production area.
- Quality Assurance – ISO 9001, DOT/UN certified, 3rd party batch inspection.
- OEM/ODM Design – Custom labeling, packaging, and optional valve types.
- High‑Speed Delivery – Typical lead time 15–25 days; express available.
- China’s Supply Chain Advantage – Competitive FOB pricing without compromising safety or compliance.
- Full Certification Package – COA, MSDS, ECM, Food‑Grade, DOT/UN.
- Flexible MOQ & Payment – Start from 50 units; T/T or L/C.
Where Are These Cylinders Used?
Our 3kg gas cylinder is popular in several B2B segments:
- Food Service & Catering – Whipped cream dispensers in restaurants, bakeries, and coffee shops. The 3kg size is ideal for high‑volume operations without frequent changes.
- Beverage Carbonation – Some clients use the same cylinder for CO2 carbonated water systems (with proper valve change).
- Medical & Diving Gas – As a small portable oxygen or nitrous oxide tank for emergency backup or recreational use.
- Industrial Pulse Gas – For packaging (MAP) or laboratory applications requiring inert gas.
Always consult with your local safety regulations to ensure the gas type and cylinder are suitable for your application.
Ready to Start Your Wholesale Order?
Request a quotation for wholesale 3kg gas cylinders – custom or stock. Provide your target volume, preferred valve type, and shipping destination, and we’ll send you a detailed offer within 24 hours.
📞 Tel / WhatsApp: +86 13787826843 | 19313298383
✉️ Email: boss@happywhip.com
🌐 Website: Contact Us
Important Disclaimer: All technical data, certifications, and capacities mentioned are subject to final confirmation in the sales contract. The buyer is responsible for verifying that the 3kg gas cylinder and its contents comply with local laws and transportation regulations. Never use a cylinder for a gas other than that for which it was designed. Refilling must be performed by certified professionals. Prices and lead times are indicative based on current production conditions; actual terms will be quoted per order.
