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- About Us -

WHY NIPO
Zhejiang Naibang Valves Co., Ltd.
Naibang Valve is an expert in check valve solutions aspect,it's deeply cultivationfield nearly 20 years.The company has gathered a team of 70 elites, with 40% ofits owned brands being exported, the products enjoy a high reputation both athome and abroadThe annual sales has been continuously increasing and reach70 million RMB in 2024. 
 
Naibang Valve takes product quality, non-standard customization, superiorservice, complete qualifications and innovative R&D as its core competitiveness...
NIPO-1
Axial Flow Check Valve

ASK OUR ENGINEERS ABOUT VALUE PRODUCTS

Naibang Valveswill uphold the spirit of innovation and steadily advance in both domestic andinternational markets.

- Series -

NIPO’S FEATURED VALVES SERIES

Strict quality control system. welcome third party for quality checking. quick delivery, high quality and reasonable price
Double Disc Check Valve
NIPO’S FEATURED SERIES
Engineered for Excellence – H77 & Axial Flow Series From the precision of the H77 tilting disc check valve to the streamlined performance of our axial flow designs.
These flagship solutions embody our commitment to flow efficiency, zero backflow, and industrial reliability—built for the most demanding applications across energy, water, and chemical sectors.
Lift Check Valve
- Industry Solutions -

NIPO'S INDUSTRY SOLUTIONS

All valves according the drawing to produce and 100% pressure testing, 100%material inspection
-Digital Showroom-

NIPO’S DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation
 
- Certification -

NIPO’S VALVE CERTIFICATION

Check Valve certification
- Blogs -

INDUSTRY NEWS&BLOGS

Welcome to inquiry and purchase later in the day for us
20 Aug 2026
Breather Valve vs Pressure Release Valve: Key Differences

Prevent catastrophic tank failure. Learn the 5 key differences between breather valves and pressure relief valves for safe, compliant sizing.

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27 Aug 2026
Breather Valve Basics: What Is A Vacuum Breather?

Prevent catastrophic storage tank failures. Master breather valve selection, API 2000 sizing, and pressure/vacuum relief for ultimate safety.

READ MORE
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03 Sep 2026
How to Size a Breather Valve Correctly?

Prevent catastrophic tank failure with accurate breather valve sizing. Learn step-by-step API 2000 calculations for optimal venting capacity.

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How to Size a Breather Valve Correctly.png
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WE'D LIKE TO WORK WITH YOU

- Product -

NIPO - FIND THE RIGHT VALVE

Naibang Valve is an expert in check valve solutions aspect,it's deeply cultivationfield nearly 20 years

BREATHER VALVE

5
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FLAME ARRESTOR

5
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DIAPHRAGM VALVE

 
 
 
 
5
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BALL VALVE

 
 
 
 
5
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Is a professional valve manufacturer integrating design, technical development, produce and sale service, has a solid strength and rich production experience.

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Phone: +86-18967709063
            nipo@nipovalve.com
WhatsApp: +8618967709063 
Add: South Gate 1, Zhongquan Industrial Park, DongOu Industrial Zone, Oubei Sub-District, Yongjia County,Wenzhou, Zhejiang, China.
Copyrights © 2025 Zhejiang Naibang Valves Co., Ltd. All Rights Reserved.