Professional Manufacturer

Aluminum Cylinder
Aluminum Cylinder
Corrosion resistant, high-strength AA6061 Lightweight – 40% lighter than steel
Disposable Cylinder
Disposable
Cylinder
Steel Cylinder
Steel
Cylinder
Gas Valve
Gas Valve
High leak integrity performance through 100% tests
Fire Extinguisher
Fire
Extinguisher

Ningbo ZhengXin Pressure Vessel Co., Ltd.

宁波正欣压力容器有限公司
A leading manufacturer of high-pressure gas cylinders, valves, and fire extinguishers.
With manufacturing based in China and a global sales network, we are committed to serving your requirements worldwide.
Focused on quality, safety, precision, and reliability, ZX has become a trusted partner for international markets, providing high-quality cylinder solutions for diverse gas applications. Working with many of the top brands across the beverage, medical, scuba and industrial sectors.
 
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Founded
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Employees
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Factory Space
Your Partner for Gas Cylinder & Valve

Global Certification,

Trusted Worldwide
From material approval to final inspection, every step is operated under international standards.

Built for Pressure,

Designed for Performance

Vertical Integration

One of the few manufacturers with fully in-house production for both gas cylinders and valves, allowing direct control of quality from raw material to final assembly.

Core-1

Advanced Precision

Our facilities use cold extrusion, CNC precision machining, and automated assembly lines, ensuring consistent and reliable performance.
 
 
Core-2

Proven Reliability

Over 20 million ZX cylinders in service worldwide, trusted by leading brands including SodaStream, GROHE, and Philips.
 

News & Events

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How Aluminum Gas Cylinders Are Made?

How Aluminum Gas Cylinders Are Made?A seamless aluminum gas cylinder starts as a solid piece of aluminum. Through forming, heat treatment, machining and testing, it gradually becomes a pressure vessel designed for a specific gas application.The manufacturing details vary with the alloy, cylinder des

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Medical Oxygen Cylinder Import Regulations & FDA Requirements by Country (2026)

Importing medical oxygen cylinders involves more than selecting the correct cylinder size, working pressure, and valve connection. Depending on the destination country, medical oxygen cylinders may be subject to medical device registration, importer licensing, product classification, and additional

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Why Do We Sometimes Ask Customers to Provide Thread Gauges?

During the development of a gas cylinder or valve, we may sometimes ask the customer to provide a thread gauge, even when the thread specification is already indicated on the drawing.This can lead to a reasonable question:If the thread specification is known, why is a customer gauge still required?I

Let's discuss your needs and find out how we can assist.

NingBo ZhengXin Pressure Vessel Co., Ltd.

A. Industrial Zone A, HuangJiaBu, YuYao 315466, 
ZheJiang CHINA
E. info@zxhpgas.com
T. +86 21 50410838

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