Small Diving Tank: Compact Oxygen Cylinders for Travel, Emergency, and Professional Use – B2B Direct from a Certified Chinese Factory
Are you looking for a reliable small diving tank that balances portability, safety, and compliance for the US market? As a sourcing agent or brand owner, you need a supply partner that offers consistent quality, full certifications, and flexible OEM/ODM support. At Zhuzhou XingYe Chemical, we manufacture compact diving oxygen cylinders that meet strict international standards (COA, MSDS, ECM, Food-Grade certification) with competitive pricing and fast delivery from China. In this guide, we explain how our small diving tanks solve common procurement challenges and help you build a profitable product line.
Industry Pain Points: Why Buyers Struggle to Source Small Diving Tanks
Sourcing a small diving tank for the US market involves more than just finding a cheap supplier. Import managers and wholesalers frequently report these frustrations:
- Inconsistent certification: Many factories lack proper CE, FDA, or ISO 9001 documentation, risking customs delays or liability issues.
- Poor quality control: Thin-walled aluminium cylinders that dent easily, inconsistent valve threads, or corrosion after a few refills.
- Long lead times: Because small diving tanks require specialized hydrostatic testing, some suppliers take 45–60 days for a standard order.
- Hidden costs: Unclear packaging, shipping terms (FOB/CIF), or inadequate labeling for US DOT/UN compliance.
- Lack of customization: Need your own brand, color, or valve type? Many factories only offer fixed designs.
Our small diving tanks are engineered to eliminate these pain points – with full traceability, MSDS included, and a dedicated OEM/ODM team.
Our Solution: Compact, Certified, and Customizable Small Diving Tanks
Zhuzhou XingYe Chemical Co., Ltd has been manufacturing diving oxygen cylinders for over 10 years. Our small diving tanks are designed for recreational divers, emergency responders, and underwater photographers who need a lightweight, easy‑to‑carry oxygen supply. Available in capacities from 0.5L to 3L, with working pressures of 200 bar to 300 bar, these tanks meet or exceed US DOT/UN standards.
Key selling points:
✔ Powerful Factory: 10+ years of specialty gas expertise, 5,000 m² production base, 50+ skilled workers.
✔ Quality Assurance: Every small diving tank undergoes hydrostatic testing, ultrasonic thickness measurement, and 100% valve leak check. Certificates: COA, MSDS, ECM, Food‑Grade gas certification, ISO 9001.
✔ OEM/ODM Design: Custom colors, laser‑engraved logos, different valve threads (CGA 870, DIN 477, etc.), packaging options (sleeve, box, pallet).
✔ High-Speed Delivery: MOQ 100 pcs, lead time 15–25 days (depending on specification and customization).
✔ China’s Supply Chain Advantage: Competitive FOB prices, free storage consolidation, and experienced export documentation team.
| Parameter | Specification | Option |
|---|---|---|
| Water Volume | 0.5 L / 1.0 L / 2.0 L / 3.0 L | Custom |
| Working Pressure | 200 bar / 232 bar / 300 bar | Per DOT/UN |
| Material | 6061-T6 Aluminium Alloy | Steel also available |
| Valve Type | CGA 870, DIN 477, INT, Yoke | OEM your brand |
| Weight (empty) | ~1.2 kg (0.5L) to ~3.5 kg (3L) | Approx. |
| Certifications | ISO 9001, CE, FDA, MSDS, COA, ECM | All included |
| Hydrostatic Test | 5 years (US DOT requirement) | Renewable |
| Packaging | Individual shrink + carton or wooden pallet | Custom branding |
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* Specifications may vary per batch. Please confirm exact parameters with our sales team at the time of order.
B2B Procurement Details: What You Need to Know
When importing small diving tanks from China, savvy buyers pay attention to these factors. Here’s how we structure our offer:
- MOQ: 100 pieces per size/valve configuration. Lower MOQ possible for sample orders.
- Lead Time: 15–25 working days after confirmation of design and deposit. Rush orders (10 days) available for an extra fee.
- Payment Terms: T/T (30% deposit, 70% before shipment), L/C at sight for large orders.
- Shipping: FOB Shanghai or Shenzhen; CIF to any US port available. We handle all export documentation (Bill of Lading, Certificate of Origin, MSDS, packing list, invoice).
- Customs & Compliance: Our small diving tanks are manufactured according to DOT 3AL or UN ISO 9809-3 standards. We provide COA, MSDS, and ECM to facilitate US customs clearance. For food-grade oxygen use, we also include FDA compliance documentation.
- After-Sales: 12-month warranty against manufacturing defects in the cylinder body and valve. Technical support via email/WhatsApp in English.
“We understand that importing pressure vessels comes with strict rules. Our team personally assists every client with the paperwork needed for DOT registration and local retesting requirements.”
– David Chen, Export Manager
Real User Reviews: What Importers Say About Our Small Diving Tanks
Mark S. – Diving Gear Importer, Florida
“We switched to XingYe a year ago for our small diving tank line. The consistency in manufacturing is excellent – every tank passes our random leak tests. Delivery times were 18 days, even during peak season. Highly recommend for OEM buyers.”
Linda K. – Brand Owner, California
“The custom valve engraving and color matching were spot-on. Our customers love the compact size for travel. MSDS and COA were included automatically – saved us hours of paperwork. Will reorder for Q4.”
James T. – Safety Equipment Distributor, Texas
“We needed a small diving tank for emergency oxygen kits. XingYe provided samples with full DOT test reports. The prices beat our previous supplier by 18%. Very professional team.”
Rob M. – Scuba Dive Shop Chain, New York
“After testing on multiple dive trips, I can say the small diving tank holds pressure perfectly. The CGA 870 valve adapts easily to US regulators. My customers are happy with the weight reduction compared to larger cylinders.”
Angela P. – Sourcing Agent, Illinois
“The factory was transparent about every step. I visited their facility in Zhuzhou – clean production lines, real testing equipment. Their small diving tanks are now a core product in my catalog.”
Trust & Expertise: Meet the Author
Henry Zhao – Senior Engineer & Export Consultant, Zhuzhou XingYe Chemical
With 12 years in specialty gas manufacturing and a focus on diving oxygen systems, Henry has overseen the production of over 2 million cylinders for international clients. He leads the company’s R&D for compact diving tank designs and personally audits every batch for DOT/FDA compliance. Henry is a regular contributor to industry forums and B2B sourcing guides.

Our Factory: Real Production Capability
Established in 2014, Zhuzhou XingYe Chemical operates from a 5,000 m² facility with dedicated lines for hydrostatic testing, valve assembly, and final inspection. Our factory holds ISO 9001:2015 certification and is registered for the production of diving oxygen cylinders under the China Classification Society (CCS) supervision. We employ 50+ skilled technicians and export to over 20 countries, including the USA, UK, Germany, Australia, and Japan.
Why Choose a Small Diving Tank from Zhuzhou XingYe?
- Comprehensive Certifications: ISO 9001, CE, FDA (for medical/food-grade oxygen), MSDS, COA, ECM – all provided with every shipment.
- True Customization: From engraving your brand logo to choosing valve standards (CGA 870, DIN 477, etc.) and packaging design – we treat your product as our own.
- Fast & Reliable Logistics: Stock parts for standard small diving tanks mean quick sample turnaround. Bulk orders ship within 15–25 working days.
- Competitive FOB Pricing: Because we source raw aluminium and valve components directly from Chinese mills, we offer 15–20% lower manufacturing costs than Southeast Asian or European suppliers.
- After-Sales Support: We maintain English-speaking sales support (email/WhatsApp) and provide replacement parts for warranty claims.
Frequently Asked Questions (FAQ) About Small Diving Tanks
Q: Are your small diving tanks compliant with US DOT/UN standards?
A: Yes. Our 0.5L–3L cylinders are designed according to DOT 3AL (aluminum) and UN ISO 9809-3 requirements. We provide hydrostatic test certificates and MSDS upon shipment.
Q: Can I get samples before placing a bulk order?
A: Absolutely. We offer pre-production samples (2–5 units) with your chosen valve and color. Sample cost is invoiced separately and refunded upon first order over USD 5,000.
Q: What is the typical MOQ for a small diving tank?
A: Standard MOQ is 100 units per specification. For OEM orders with unique branding, MOQ is 200 units per design.
Q: What payment methods do you accept?
A: We accept T/T (30% deposit, 70% before shipment), L/C at sight, and for established clients, small orders via PayPal/Wise.
Q: Do you sell directly to end users or only to businesses?
A: We are a B2B manufacturer. For wholesale inquiries only. If you are a diver or individual, please contact your local dive shop.
Clear Call to Action – Start Your Small Diving Tank Order Today
Ready to source a reliable small diving tank for your US brand or distribution network? Contact our export team directly:
Zhuzhou XingYe Chemical Co., Ltd
Tel/WhatsApp: +86 13787826843 | Email: boss@happywhip.com
Add: Room 619-3, Henghe Industry And Trade Headquarters, No. 1099 Qingxia Road, Tongtangwan Street, Zhuzhou, Hunan, China
We typically respond within 24 hours. Request a quote or free sample consultation today.
* All information provided in this article is for reference only. Specific product specifications, pricing, and delivery terms shall be confirmed in the sales contract. Zhuzhou XingYe Chemical reserves the right to update product details without prior notice.
