CO₂ Cartridge Sourcing Guide 2026: High-Purity, Food-Grade & Factory-Direct from China
Meta Description: Sourcing CO₂ cartridges for beverage carbonation, aquarium systems, or industrial use? This guide covers purity specs, certifications (CE/FDA/ISO), MOQ, OEM options, and fast delivery from a verified Chinese factory with 10+ years of gas expertise.
If you’re an import manager, brand owner, or wholesaler looking for reliable co2 cartrage (or more commonly, CO₂ cartridge) supplies, you likely need clear answers on purity, certifications, MOQ, and lead time. We supply food-grade CO₂ cartridges from 8 g up to 2 kg with 99.9% minimum purity, CE/ECM and ISO 9001 certifications, MOQ starting at 1,000 pcs, and 15–25 day delivery. Our factory in Hunan, China has over 10 years of gas specialization and supports full OEM/ODM customization. This guide details exactly how to source cost-effective, high-quality CO₂ cartridges for your market.
Why CO₂ Cartridge Quality Matters More Than You Think
For B2B buyers importing CO₂ cartridges, three pain points consistently emerge:
- Impurities causing off-flavors or equipment damage – Low-grade CO₂ can ruin beverage taste or clog valves.
- Inconsistent pressure and fill volume – Leads to customer complaints and returns.
- Compliance hurdles – Missing certifications can block customs clearance in the USA or EU.
Our solution is vertically integrated: we control gas purification, cylinder manufacturing, and final filling under one roof. Every batch is tested with a GC (Gas Chromatograph) and moisture analyzer to guarantee ≤ 0.01% residual air and no detectable hydrocarbons. The result: consistent 99.9%–99.995% purity, stable pressure, and full documentation (COA, MSDS, ECM) for smooth import clearance.
Real scenario: A US beverage brand switched to our CO₂ cartridges and reported zero off-flavor complaints over 6 months, while reducing per-unit cost by 18% compared to their previous European supplier. (Test data and reference available upon request.)
Aerial view of our 15,000 m² manufacturing facility in Zhuzhou, Hunan, China.
Zhuzhou XingYe Chemical: 10+ Years of Gas Expertise Under One Roof
Founded in 2014, Zhuzhou XingYe Chemical Co., Ltd. is a specialized gas factory and comprehensive enterprise integrating R&D, production, sales, and after-sales service. We employ 120+ people across a 15,000 m² campus, with dedicated lines for CO₂, N₂O, ethylene, and specialty gases. Our CO₂ cartridge workshop alone produces 8 g, 12 g, 16 g, 20 g, 580 g, 615 g, 640 g, 680 g, and 2 kg formats, all food-grade certified.
We are not a trading company – we own the entire supply chain from gas purification to cylinder filling, which means tighter quality control, faster turnaround, and direct factory pricing. Our annual CO₂ cartridge output exceeds 50 million units, serving clients in 30+ countries including the USA, Canada, UK, Australia, and Germany.
QC lab – gas chromatography analysis for purity and moisture content.
About the Author: 
David Lin – Senior Gas Engineer & Supply Chain Manager at Zhuzhou XingYe Chemical, with 12 years of experience in industrial and food-grade gas production. David oversees CO₂ cartridge quality systems and has helped over 80 international clients launch private-label gas products.
Technical Specifications & Certifications (CO₂ Cartridge)
All our CO₂ cartridges comply with food-grade gas standards and are tested according to ISO 9001:2015 and ECM (European Conformity) directives. Below are the most common sizes and their parameters:
| Size | CO₂ Purity | Fill Weight (±0.5g) | Pressure @ 21 °C | Certifications | Typical Uses |
|---|---|---|---|---|---|
| 8 g | 99.5% – 99.9% | 8.0 g | 58 bar / 841 psi | CE, FDA, ISO 9001 | Airsoft, BB guns, small chargers |
| 12 g | 99.9% | 12.0 g | 58 bar / 841 psi | CE, FDA, ISO 9001 | Paintball, soda siphons (food grade) |
| 16 g | 99.9% | 16.0 g | 58 bar / 841 psi | CE, FDA, ISO 9001 | Soda makers, carbonation |
| 580 g | 99.9% – 99.995% | 580 g | 55 bar / 798 psi | CE, FDA, ISO 9001, ECM | Bulk carbonation, draft beer systems |
| 640 g / 680 g | 99.9% – 99.995% | 640 g / 680 g | 55 bar / 798 psi | CE, FDA, ISO 9001, ECM | Whipped cream dispensers, beverage |
| 2 kg tank | 99.9% – 99.995% | 2,000 g | 50 bar / 725 psi | CE, FDA, ISO 9001, ECM | Commercial carbonation, soda fountains |
*All specifications are nominal and may vary slightly per batch. Final specifications – refer to actual order confirmation and COA.
Beyond the above, we also offer custom fill weights and private label packaging (OEM/ODM). Certifications like FCC, RoHS, and Kosher/Halal can be arranged for larger volume commitments (please inquire).
OEM/ODM Design & Customization: Build Your Own Brand
We understand that brand owners and sourcing agents need more than a commodity product. Our OEM/ODM service covers:
- Custom branding – Cylinder sleeve printing, label design, and packaging (retail-ready boxes, blister packs, bulk cartons).
- Custom fill weight – Any weight from 5 g to 2 kg (within safety regulations).
- Mixed shipping – Combine CO₂ cartridges with N₂O cream chargers, ethylene gas, or diving oxygen in one container to optimize freight costs.
- Private label gas blends – CO₂/N₂ blends for specific beverage applications (consult our technical team).
We have completed 120+ OEM projects for US, EU, and Australian clients. Typical development cycle: 7–10 days for artwork approval → 15–20 days for first production → 5–7 days for sea freight preparation. A dedicated project manager coordinates every step.
Our OEM assembly and packaging line – ready for custom branding and private label.
MOQ, Lead Time, Shipping & Payment Terms
We set clear, buyer-friendly terms to make your procurement predictable:
| Parameter | Standard Terms | Notes |
|---|---|---|
| MOQ | 1,000 pcs (small sizes) 500 pcs (bulk sizes ≥ 580 g) |
Lower MOQ for trial orders possible (ask sales) |
| Lead Time | 15–20 days (standard) 25–30 days (OEM custom) |
Expedited 10-day option available for repeat orders |
| Shipping Terms | FOB Shanghai / Shenzhen CIF (major US/EU ports) |
We work with DHL, FedEx, sea freight LCL/FCL |
| Payment Terms | 30% deposit + 70% balance before shipment LC at sight for large orders |
TT, PayPal (small samples), Western Union |
| Packaging | 100 pcs/box, 20 boxes/carton (customizable) Export-grade carton with pallet |
Shrink-wrap, corner protection, seaworthy |
*All terms are negotiable based on order volume and long-term partnership. Contact us for a formal quotation.
Hear from Our CO₂ Cartridge Buyers
Mike H.
Import Manager – US Beverage Co.
“We switched from a German supplier to XingYe for 12 g CO₂ cartridges. Purity is consistent at 99.9%, pressure is stable, and we saved 22% on landed cost. Their COA documentation made FDA import review effortless.”
Sarah L.
Brand Owner – UK Home Carbonation
co2 cartage co2 cartrige co2 cartriges
“The OEM process was smoother than I expected. From artwork to first shipment took only 18 days. The 680 g cartridges work perfectly with our soda makers – no leaks, no off-taste. Highly recommended for private label.”
Carlos R.
Sourcing Agent – Mexico
“I sourced CO₂ cartridges for multiple clients across Central America. XingYe delivered on time every time, even during peak season. Their CE and ISO 9001 certs helped us clear customs in 2 days. I now use them for all gas products.”
David K.
Wholesaler – Australia
“We needed a reliable 8 g CO₂ cartridge for the airsoft market. XingYe supplied 500,000 pcs in 4 months with zero quality complaints. The thread consistency is perfect – no misfires. Excellent factory communication.”
Anna W.
Procurement Manager – Canada
“The mixed container option (CO₂ + N₂O) saved us 30% on freight. Their team helped with HS code classification and provided all safety data sheets in French and English. A true partner, not just a supplier.”
Trust & Compliance: What Sets Us Apart
In addition to standard certifications, here is why import managers and brand owners choose Zhuzhou XingYe Chemical:
- ISO 9001:2015 – Certified quality management system for gas production and filling.
- ECM (CE) certified – Our CO₂ cartridges meet EU pressure equipment directive (PED 2014/68/EU).
- FDA compliant – Food-grade CO₂ meets US FDA 21 CFR 184.1240 for direct food contact.
- Third-party lab testing – We regularly engage SGS and Intertek for independent purity and safety validation.
- Factory audit welcome – We have hosted buyers from 20+ countries; video tour can be arranged within 24 hours.
- After-sales service – Dedicated English-speaking account manager, 24/7 WhatsApp support, and spare parts (valves, seals) shipped within 48 hours.
Our facility spans 15,000 m² with 120 employees (including 8 R&D engineers), and an annual production capacity of 50+ million CO₂ cartridges. We maintain 3–6 months of raw gas inventory to buffer against supply chain shocks.
Where Are CO₂ Cartridges Used? (Market Insight)
Understanding end-use helps you target the right product. Based on 2025–2026 market trends:
| Application | Typical Size | Demand Growth (2026) | Key Requirement |
|---|---|---|---|
| Soda Carbonation (home & commercial) | 8 g – 16 g / 640 g – 2 kg | +12% YoY | Food-grade purity, consistent pressure |
| Airsoft / Paintball | 8 g – 12 g | +8% YoY | Thread accuracy, leak-proof |
| Aquarium CO₂ injection | 16 g – 580 g | +15% YoY | High purity (no copper, no oil) |
| Medical / laboratory | 580 g – 2 kg | +5% YoY | Certified traceability, COA |
Market data sources: Grand View Research (2025), internal demand analysis from import partners.
Ready to Source High-Quality CO₂ Cartridges?
Whether you need 8 g cartridges for airsoft, 16 g for soda makers, or bulk 640 g/2 kg for commercial carbonation, Zhuzhou XingYe Chemical delivers consistent quality, factory-direct pricing, and full OEM support.
Visit our website & factory:
🏭 Add: Room 619-3, Henghe Industry And Trade Headquarters, No. 1099 Qingxia Road, Tongtangwan Street, Zhuzhou, Hunan, China
Request a free sample + quotation today. Mention this guide for priority response.
Disclaimer: All product specifications, certifications, and performance data are based on standard production batches at the time of writing. Actual parameters may vary slightly – please refer to the final order confirmation and Certificate of Analysis (COA) for each shipment. Pricing, MOQ, and lead time are indicative and subject to change based on market conditions, order volume, and customization requirements. Always consult our sales team for current terms.
Image credit: All factory and product images are from Zhuzhou XingYe Chemical Co., Ltd. Client testimonial photos are used with permission; individual results may vary.
