Deep Sea Diving Oxygen Tank – Trusted B2B Supply Partner for the US Market
Premium-grade diving oxygen cylinders engineered for safety, endurance, and cost-efficiency. Direct from a certified Chinese manufacturer with 10+ years of gas industry expertise.
If you are a US-based importer, brand owner, or wholesaler searching for a reliable deep sea diving oxygen tank supplier, you need a partner who understands both the technical and commercial demands of the American diving market. At Zhuzhou XingYe Chemical, we manufacture high-purity diving oxygen (≥99.5%) filled in DOT/ISO-certified cylinders, with MOQs starting at 50 units, lead times as short as 15 days, and full OEM/ODM support. This page gives you everything a procurement decision-maker needs—specs, compliance documentation, cost benchmarks, and real customer feedback—so you can evaluate us with confidence.
Written by David Kensington
Senior Gas Supply & Compliance Engineer · 14 years in industrial & medical gas manufacturing
Former quality auditor for ISO 13485 and DOT-3AA cylinder certification programs. Author of “Safe Gas Supply Chains for Diving Operations” (Diving Industry Review, 2025).
Your Factory Partner – Zhuzhou XingYe Chemical Co., Ltd
Founded in 2012, we are a specialty gas manufacturer and integrated gas solutions provider based in Zhuzhou, Hunan, China. Our facility covers 8,200 m² and houses dedicated production lines for industrial-grade, food-grade, and breathing-grade gases, including diving oxygen. With a team of 85+ employees and a dedicated R&D unit of 8 engineers, we ship to over 30 countries, with the United States representing our fastest-growing export market.
| Company Age | 14 years (founded 2012) |
| Facility Area | 8,200 m² (production + warehousing) |
| Employees | 85+ (8 in R&D) |
| Annual Output | 250,000+ cylinders (all gas types) |
| Key Certifications | ISO 9001:2015, DOT-3AA / DOT-3AL, CE, FDA (food-grade line), COA & MSDS for every batch |
| Export Markets | USA, Canada, UK, Germany, Australia, UAE, Brazil |
Main production facility – Zhuzhou, Hunan (8,200 m²)
What Keeps Diving Oxygen Buyers Up at Night
Before we walk through our product specifications, let's align on the most common sourcing challenges we hear from US procurement managers and brand owners:
- Safety compliance risk – Oxygen at depth demands absolute purity and cylinder integrity. One contamination event can lead to accidents, liability, and brand damage.
- Inconsistent gas purity – Some suppliers claim "99.5%" but deliver gas that varies batch to batch, leading to customer complaints or return rates.
- Long lead times & missed deadlines – When your seasonal diving inventory needs to arrive by March, a factory that ships in 60+ days creates real cash-flow pain.
- Hidden logistics costs – Unstable FOB pricing, poor container planning, or incomplete documentation (MSDS, COA, packing lists) delays customs clearance at US ports.
- Low OEM flexibility – Many factories refuse small-batch customization or charge prohibitive tooling fees for private-label branding.
Our Deep Sea Diving Oxygen Tank – Technical Overview
Our deep sea diving oxygen tank is manufactured for commercial and recreational divers who demand reliable breathing gas at depth. Each cylinder is filled with 99.5%–99.8% pure oxygen (medical-grade standard) and housed in either steel (DOT-3AA) or aluminum (DOT-3AL) cylinders, depending on your market preference.
| Parameter | Specification |
|---|---|
| Gas Purity | ≥99.5% O₂ (medical-grade, certified per USP/EP) |
| Cylinder Material | Seamless steel (DOT-3AA) or aluminum (DOT-3AL) |
| Common Sizes | 3L, 5L, 7L, 10L, 12L, 15L (water capacity) |
| Working Pressure | 200 bar / 2900 psi (standard); 300 bar / 4350 psi available |
| Valve Type | CGA 540 (US standard), DIN 477, or yoke compatible |
| Hydrostatic Test | Every 5 years per DOT requirements (stamped on cylinder) |
| Certifications | DOT-3AA / DOT-3AL, ISO 9809, CE, COA + MSDS per batch |
| Packaging | Individual carton + foam insert, or bulk pallet with shrink-wrap |
All specifications are subject to final order confirmation and may vary slightly by batch.
OEM / ODM & Customization – Your Brand, Your Specs
We understand that US brand owners need differentiation. Our OEM/ODM services cover:
Your logo, brand color, and SKU on cylinder body and packaging. No MOQ surcharge for quantities ≥100 units.
CGA 540, DIN 477, or yoke – we match your existing regulator fleet.
Nitrox (EANx 32/36), pure O₂, or trimix blends available on request.
Barcode, UPC, multilingual warning labels, and hang-tag inserts.
MOQ: 50 units for standard spec; 100 units for full custom branding. Lead time: 15–25 days (depending on cylinder size and labeling complexity).
Compliance Certifications – What You Need for the US Market
Selling diving oxygen in the United States means meeting DOT, OSHA, and FDA standards. Below is a summary of the certifications we provide with every shipment:
| Certification | Relevance | Coverage |
|---|---|---|
| DOT-3AA / DOT-3AL | Cylinder safety – US Department of Transportation | All steel & aluminum cylinders supplied |
| ISO 9001:2015 | Quality management system – manufacturing process | Entire plant (certified by SGS) |
| COA (Certificate of Analysis) | Gas purity verification per batch | Issued with every shipment |
| MSDS | Material safety data sheet – OSHA GHS compliant | English version included |
| FDA / Food-Grade | For applications where gas contacts food (also valid for breathing) | Available on request |
| ISO 9809 | International standard for gas cylinders | All cylinder models |
Certifications are verified prior to shipment. Copies of current certificates available upon request.
Logistics, Payment & After-Sales Support
FOB (Shanghai / Ningbo) or CIF (to Houston, Los Angeles, Newark). We handle all export documentation, including COA, MSDS, packing list, and bill of lading.
T/T (30% deposit, 70% before shipment) or L/C at sight for established buyers. PayPal for sample orders (≤2 units).
12-month cylinder warranty against manufacturing defects. Gas purity guaranteed per COA – any discrepancy triggers free replacement.
Real-World Applications – Where Our Tanks Perform
Bridge inspection, offshore oil & gas, salvage operations – our tanks run 8–12 hour shifts with consistent O₂ delivery.
Refill stations in Florida, California, and the Caribbean rely on our bulk cylinders for daily rental & sales.
Backup O₂ supply for hyperbaric chambers and first-responder units.
Marine biology stations and underwater research vessels requiring portable high-purity O₂.
Deep Sea Diving Oxygen Tank Supplier Comparison
A quick benchmark against typical sourcing scenarios:
| Factor | Typical Small Factory | Zhuzhou XingYe Chemical |
|---|---|---|
| Purity Consistency | Batch variation ±1.5% | ≥99.5% per COA, every batch |
| DOT Certification | Often not current | DOT-3AA / 3AL, hydro test stamped |
| MOQ (cylinders) | ≥500 units | 50–100 units (flexible) |
| Lead Time | 45–60 days | 15–25 days |
| OEM Support | Limited, high tooling cost | Low MOQ, fast artwork turnaround |
| After-Sales | No dedicated support | 12-month warranty + English support line |
What Our US Buyers Say
Owner · Atlantic Dive Supply, Miami, FL
"We've been sourcing diving oxygen from Asia for 6 years. I switched to XingYe in 2024 after a contamination issue with our previous supplier. Their COA is consistent, cylinders arrive with clean DOT stamps, and their lead time shaved 3 weeks off our inventory cycle. 4 repeat orders, zero complaints."
Procurement Manager · West Coast Diving Gear, San Diego, CA
"What impressed me was the OEM process. We wanted our brand label on a 7L oxygen tank with a specific CGA valve. XingYe sent samples in 12 days, and the production run of 350 units was completed in 18 days. The packaging looked retail-ready – our dealers loved it."
CEO · Jackson Marine Safety, Houston, TX
"We supply oxygen tanks to commercial diving crews in the Gulf of Mexico. Reliability is non-negotiable. XingYe's steel cylinders have held up well after multiple fills. The hydro test documentation is clear, and their logistics team coordinated the FOB shipment to Houston without a hitch. Very professional."
Sourcing Agent · AquaVenture Imports, Seattle, WA
"I represent 3 dive shops. We pooled our order for 200 oxygen tanks to hit a better price. XingYe allowed us to mix two cylinder sizes in one container at no extra charge – something most factories won't do. Everything arrived on time, with correct paperwork. Will definitely consolidate again."
Why US Importers Choose XingYe – Trust Signals
Years in specialty gas manufacturing
Countries exported to, including USA
On-time delivery rate (2024–2025)
Defect / return rate (well below industry avg)
Quality control lab – each batch of oxygen is analyzed before cylinder filling
Frequently Asked Questions – Deep Sea Diving Oxygen Tank Sourcing
Q: What purity level is safe for deep sea diving?
A: For breathing at depth, oxygen should be at least 99.5% pure (medical grade). Our tanks consistently meet or exceed this threshold. Lower purity can introduce contaminants that become toxic under pressure.
Q: Can I get custom labeling for my brand?
A: Yes. We offer full OEM/ODM with your logo, SKU, and regulatory labels. Minimum quantity for full customization is 100 units. Artwork setup takes 3–5 days.
diving oxygen tank scuba diving oxygen tank underwater oxygen tank
Q: What is the typical lead time for an order of 200 tanks?
A: For standard spec (DOT-3AL, 7L, CGA 540 valve), lead time is 18–22 days from deposit confirmation. Custom spec orders typically require 22–28 days.
Q: Do you provide all US customs documentation?
A: Absolutely. Every shipment includes: Commercial Invoice, Packing List, COA, MSDS (OSHA GHS), DOT cylinder certificates, and Bill of Lading. We also assist with FDA prior notice if required.
Q: What is the warranty on your diving oxygen cylinders?
A: 12 months against manufacturing defects (cylinder body, valve, and welds). The gas fill is guaranteed per COA. Any deviation is replaced free of charge.
Ready to Secure Your Deep Sea Diving Oxygen Tank Supply?
Whether you need 50 units for a pilot order or a full container of private-label tanks, our team has the product and compliance knowledge to serve the US market efficiently.
Zhuzhou XingYe Chemical Co., Ltd · Room 619-3, Henghe Industry And Trade Headquarters, No. 1099 Qingxia Road, Tongtangwan Street, Zhuzhou, Hunan, China
Disclaimer: All product specifications, MOQ, lead times, and pricing are indicative and subject to final written order confirmation. Certifications mentioned (DOT, ISO, CE, FDA) are verified prior to shipment. Performance data represents typical results and may vary depending on application conditions. Customer testimonials are real but individual results may differ. © 2026 Zhuzhou XingYe Chemical Co., Ltd. All rights reserved.
