“Where can I find a factory that supplies safe, certified oxygen cylinders for underwater use – with fast lead times and flexible OEM options?” As a B2B buyer in the US, you need a partner who meets strict safety standards, delivers on time, and backs your brand. Zhuzhou XingYe Chemical is a certified Chinese manufacturer with over 10 years of expertise, supplying diving oxygen cylinders underwater that comply with international regulations (ISO, CE, COA, MSDS). Our factory covers 5,000 sqm, employs 80+ workers, and supports MOQs from 50 units, with lead times as short as 15 days. Stop searching – start sourcing with a team that understands your market.

The Challenges That Keep Import Managers Awake at Night

When sourcing oxygen cylinders for underwater breathing, US importers and brand owners face recurring headaches:

• Safety compliance: Cylinders must meet DOT/UN, ISO 9809, and FDA standards for medical/food‑grade oxygen. Non‑compliant products lead to port seizures or liability lawsuits.
• Unreliable quality: Wall thickness, valve corrosion, and burst pressure variances can cause catastrophic failures in underwater environments.
• Long lead times: Many suppliers quote 45–60 days, then delay. For seasonal demand (summer diving, rebreather refills), this kills your cash flow.
• Minimal OEM flexibility: Some factories refuse custom labeling, color matching, or pressure markings. Your brand identity is lost.

You need a supplier that treats compliance and customization as table stakes, not extras.

Our Solution: Certified Diving Oxygen Cylinders for Underwater Use

diving oxygen cylinder scuba diving oxygen cylinder oxygen cylinder diving

Zhuzhou XingYe Chemical’s diving oxygen cylinders are engineered for the demands of scuba, rebreathers, and professional underwater operations. Each cylinder undergoes hydrostatic testing, ultrasonic wall inspection, and valve leakage checks. We offer a range of capacities commonly used in the US market:

*All specifications are typical values. Please refer to the actual order confirmation for exact measurements.

Each cylinder is supplied with a premium brass valve, O‑ring seals, and a factory test certificate. We also offer custom volumes and pressure ratings for special rebreather applications.

Why Import Managers Choose XingYe Chemical for Their Oxygen Cylinders Underwater

• OEM / ODM design: Your logo, your packaging, your specs. We match Pantone colors, add your brand stickers, and laser‑engrave markings.
• Factory‑direct pricing: With our own steel cylinder production line (80+ employees, 5,000 sqm factory), you eliminate middleman costs.
• Certifications that matter in the USA: ISO 9001:2015, COA, MSDS, Food‑Grade Gas certificates (FDA compliant). We also assist with DOT/UN documentation for shipping.
• Fast lead times: MOQ of 50 units for standard sizes; 15–20 days for production, 25–35 days for full container loads.
• Flexible MOQ and payment: T/T, L/C, PayPal. FOB / CIF to any US port (Long Beach, New York, Houston).

Our dedicated diving cylinder workshop

What Our Clients Say

These are real feedback from US and EU import managers who source oxygen cylinders for underwater applications from us.

Mike Reynolds
Dive Gear Importer, Florida

“We tested cylinders from three Chinese factories. XingYe’s quality was the most consistent – hydrotests well within US standards. The OEM labeling was flawless. We’ve placed three repeat orders.”

Sarah Lin
Brand Owner, California (Rebreather Co.)

“We needed custom pressure markings for our rebreather tanks. XingYe’s engineering team designed a bespoke valve thread within two weeks. Delivery was 18 days – faster than most local suppliers.”

David Houghton
Sourcing Agent, Texas

“I’ve handled gas cylinder imports for 12 years. XingYe provides the most complete documentation – COA, MSDS, factory test reports – which makes customs clearance a breeze. Highly recommended.”

James O’Brien
Wholesale Manager, New York

“We do monthly container orders of 80cuft cylinders. XingYe’s capacity and quality never waver. Their after‑sales team responds within hours – a real partnership.”

Factory Strength & Supply Chain Reliability

Factory entrance – 5,000 sqm dedicated to gas production

Hydrostatic testing station – every cylinder verified

• Established: 2015 (10+ years in specialty gases)
• Employees: 80+ (including 12 quality engineers)
• Annual capacity: 250,000 steel cylinders (all sizes)
• Certifications: ISO 9001:2015, COA, MSDS, Food‑Grade Gas (ECM), CE for pressure equipment
• MOQ: 50 units for standard diving cylinders; lower for sample orders
• Lead Time: 15–20 days for production after deposit; 25–30 days for FCL
• Packaging: Individual cartons with foam lining, palletized, or bulk according to your preference
• Payment Terms: T/T (30% deposit, 70% before shipment), L/C at sight, or PayPal for small amounts
• Delivery: FOB China (Shanghai/Ningbo) or CIF any major US port

*Capacity and lead times are subject to current workload. Please confirm when placing an order.

Technical Specifications & Compliance for US Buyers

All our oxygen cylinders for underwater use are manufactured according to:

• ISO 9809 (Gas cylinders – design, construction and testing)
• DOT 3AA / DOT 3AL (upon request for US domestic ground shipping)
• USP 39 / Food Chemical Codex for oxygen purity
• EN 1964 (European standard for transportable gas cylinders)

We provide a complete documentation package with every shipment:

Documentation samples available on request. We recommend that you verify acceptance of our certifications with your local authority before ordering.

Frequently Asked Questions by US Importers

What MOQ do you offer for OEM diving oxygen cylinders?

Our standard MOQ is 50 pieces for sizes up to 150cuft. For custom colors or special valve configurations, the MOQ may be 100 pieces. We welcome sample orders (1–2 pcs) for evaluation – shipping charges apply.

Can you provide cylinders with CGA 540 (US standard) valve already installed?

Yes. We stock CGA 540 nickel‑plated brass valves as standard for our diving oxygen cylinders. We can also supply CGA 870 or DIN 477 adapters on request.

How do you handle defective cylinders?

Any cylinder that fails hydrostatic testing or shows visual defects is rejected before packaging. If a defective product reaches you (less than 0.2% of shipments), we replace it free of charge, including freight for the replacement. Our warranty covers manufacturing defects for 12 months from the Bill of Lading date.

What are your payment terms for first‑time US buyers?

For new customers, we usually require T/T 30% deposit, 70% before shipment. After two transactions, we offer L/C at sight. PayPal is accepted for sample orders (≤$1,000).

Ready to Source Your Next Batch of Diving Oxygen Cylinders?

Contact our team for a tailored quote, free sample (shipping cost only), or a virtual factory tour.

Zhuzhou XingYe Chemical Co., Ltd | Room 619-3, Henghe Industry And Trade Headquarters, No. 1099 Qingxia Road, Tongtangwan Street, Zhuzhou, Hunan, China