3kg Gas Bottle: Reliable CO₂ & N₂O Cylinders for B2B Wholesale Buyers
Authored by Michael Chen | Senior Export Compliance Officer & Product Specialist
15+ years in specialty gas & high-pressure cylinder manufacturing. Helping global buyers source compliant gas solutions from China.
If you are sourcing a reliable 3kg gas bottle for beverage carbonation, professional cream dispensing, or industrial applications, your core concerns are safety compliance, consistent tare weight, and supply chain transparency. A standard refillable 3kg gas bottle must meet strict transportation and pressure vessel regulations to ensure safe handling and long service life.
At Zhuzhou XingYe Chemical (established 2013), we manufacture certified 3kg gas bottles designed specifically for global B2B buyers. Our cylinders are available in CO₂ and N₂O configurations, fully compliant with ISO 9809, UN standards, and accompanied by COA, MSDS, and Food-Grade certifications. Whether you need a private-label solution or standard bulk shipping, our factory integrates China's supply chain efficiency with rigorous international quality assurance.
Factory assembly line for 3kg gas bottles — ISO 9001 certified facility in Hunan, China
Sourcing the Right 3kg Gas Bottle: Common B2B Challenges
— And How a Certified Factory Supplier Solves Them
Import managers and brand owners often face specific hurdles when procuring small gas cylinders. Using a low-quality or non-compliant 3kg gas bottle can lead to customs delays, safety liabilities, and brand reputation damage. Below are the most common pain points and our engineered solutions:
1. Compliance & Customs Clearance Risks
Pain Point: Cylinders rejected at port due to missing UN/ISO certification or incorrect valve standards (CGA/BS).
Solution: Every 3kg gas bottle we ship includes a complete compliance package: Batch Number, COA (Certificate of Analysis), MSDS, and UN/ISO conformity declaration. We support CGA320 (USA), CGA540 (USA/Canada), and BS341 (UK) valve threads based on your target market.
2. Inconsistent Tare Weight & Fill Volume
Pain Point: Weight variance in cylinders causing under-fill complaints from end-users.
Solution: Our precision manufacturing ensures a strict tare weight tolerance of ±0.1 kg for the 3kg gas bottle series. This guarantees your customers receive the exact net weight of gas specified on the label.
3. High MOQ & Inflexible Customization
Pain Point: Suppliers demanding 500+ units for OEM orders, limiting new market entry.
Solution: We offer low MOQ (50 pcs for standard colors; 100 pcs for customized Pantone branding) and flexible OEM/ODM design services. This allows wholesalers and brand owners to test markets without over-committing capital.
Technical Specifications: 3kg Gas Bottle Range
The following table outlines the standard parameters for our best-selling 3kg models. All data is provided for reference; final specifications are confirmed in the sales contract.
| Parameter | Specification (Typical) | Buyer Benefit |
|---|---|---|
| Gas Net Weight | 3.0 kg (CO₂ / N₂O) | Consistent yield per cylinder for catering or beverage use |
| Water Capacity | 4.7 L – 5.0 L | Optimized for safe gas density under pressure |
| Filling Pressure | 150 bar / 200 bar | Industry standard for most dispensing equipment |
| Valve Connection | CGA320 (USA), CGA540, BS341, or Custom | Direct compatibility with local regulators |
| Certifications | UN / ISO 9809-1, ISO 9001, CE, Food-Grade | Hassle-free customs clearance in North America & EU |
| OEM Support | Laser Engraving, Silk Screen, Sleeve | Build your brand identity directly on the cylinder |
Disclaimer: Technical specifications are for reference only. Final parameters and certifications will be detailed in the order confirmation and product COA.
Strict quality inspection — each 3kg gas bottle is checked for pressure integrity and thread accuracy.
Partnering with a Chinese Factory: What to Expect
Transparency in B2B terms builds trust. As a professional 3kg gas bottle manufacturer, we structure our partnerships to minimize risk for import managers and sourcing agents. Below are our standard commercial terms:
- MOQ: 50 – 100 pcs (depending on cylinder type and customization level). Trial orders welcome.
- Lead Time: 15 – 25 days after sample approval and deposit confirmation.
- Payment Terms: T/T (30% deposit, 70% before shipment), L/C at sight accepted.
- Trade Terms: FOB (Shanghai / Shenzhen), CIF (to major USA/EU ports).
- Packaging: Individual polybag protection, standard export carton or plywood pallet, with required hazard labels.
- After-Sales: Dedicated quality team available for remote troubleshooting. Claims handled per UN standard cylinder warranties.
Our experience with China's supply chain allows us to maintain high-speed delivery without compromising on the strict quality checks required for pressure vessels. We offer gas solutions for the following applications:
Home brewing, soda dispensers, draft beer systems.
Professional kitchens, whipped cream, culinary foams.
Small-scale welding, laboratory applications.
Global Buyer Feedback on Our 3kg Gas Bottles
Real insights from import managers, brand owners, and wholesalers who have integrated our 3kg gas bottle into their product lines. *
"We sourced 500 units of the 3kg CO₂ bottle for our North American distribution network. The UN certification and detailed COA made port clearance smooth and predictable. The tare weight consistency is excellent—our customers appreciate the accurate fill levels."

– Tom H., Import Manager, Canada
"As a brand owner in the specialty beverage sector, packaging aesthetics matter. XingYe Chemical delivered OEM 3kg gas bottles with perfect Pantone color matching and laser engraving. The MOQ flexibility allowed us to launch our private label without overstocking."
6kg gas bottle 9kg gas bottle 18kg gas bottle
– Sarah L., Brand Owner, USA
"I manage sourcing for several EU gas distributors. Finding a factory that complies with both UN and EC pressure vessel directives is crucial. This supplier has the paperwork and the product quality to back it up. Communication is direct and professional."
– Ming W., Sourcing Agent, Germany
"Price is important in wholesale, but reliability is everything. We compared five Chinese suppliers for 3kg N₂O tanks. XingYe had the best balance of competitive FOB pricing, fast lead times, and responsive after-sales service. We are now on our third reorder."
– David R., Wholesaler, Australia
"We needed a consistent supply of food-grade 3kg gas bottles for our dessert chain across the UK. The Food-Grade certification gave us confidence in gas purity for our whipped cream machines. Valve compatibility with our existing regulators was flawless."
– Elena G., Operations Buyer, UK
* Reviews are paraphrased from verified client communications and public case studies. Individual results may vary.
Secure Your Supply Chain for 3kg Gas Bottles
Selecting the right 3kg gas bottle partner is a strategic decision that impacts your product safety, brand image, and logistics efficiency. With a decade of manufacturing expertise, a robust OEM/ODM framework, and full compliance support, Zhuzhou XingYe Chemical Co., Ltd is structured to support your growth—whether you are launching a new gas product line or optimizing an existing one.
We invite import managers, brand owners, and sourcing agents to discuss your specific requirements. Tell us your target market (USA, EU, AU) and desired gas type (CO₂, N₂O, Ethylene, O₂) for a tailored quotation.
📩 Ready to Source Certified Gas Bottles?
Contact our export team for a detailed quote within 24 hours.
Or ask about our sample program to evaluate the 3kg gas bottle quality firsthand.
About the Author: Michael Chen is a Senior Export Compliance Officer & Product Specialist at Zhuzhou XingYe Chemical Co., Ltd. With over 15 years in the specialty gas and high-pressure cylinder industry, he has helped over 200 B2B clients across 30 countries navigate international import regulations and secure high-quality gas packaging solutions. Michael contributes to trade publications on gas safety and supply chain best practices.
Zhuzhou XingYe Chemical Co., Ltd | Room 619-3, Henghe Industry And Trade Headquarters, No. 1099 Qingxia Road, Zhuzhou, Hunan, China
Specializing in N₂O Cream Chargers, Diving Oxygen Tanks, Ethylene Gas, and Food & Beverage Grade CO₂ Gas Solutions
