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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...

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20+

Deeply cultivating the industry for nearly 20 years

7000,0000+

Annual new customer growth rate of over 15%

15%

The sales volume about 70 million RMB in 2024

300,0000+

Annual R&D and equipment innovation

ASK OUR ENGINEERS ABOUT VALUE PRODUCTS

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

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- Series -

NIPO’S FEATURED VALVES SERIES

Strict quality control system. welcome third party for quality checking. quick delivery, high quality and reasonable price

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.

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- Industry Solutions -

NIPO'S INDUSTRY SOLUTIONS

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

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-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

- Blogs -

INDUSTRY NEWS&BLOGS

Welcome to inquiry and purchase later in the day for us

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08 Mar 2026

What Is A Horizontal Lift Check Valve?

A Lift Check Valve is a specialized linear-motion valve engineered to prevent backflow in high-pressure piping systems. Unlike simple swing valves that rely on a hinge, this design uses a guided piston or disc that lifts vertically from the seat when inlet pressure exceeds downstream pressure.

01 Mar 2026

What Is The Purpose of The Check Valve?

Uncontrolled backflow is the silent killer of industrial piping systems. While often treated as a minor plumbing detail, the failure to manage flow direction carries a massive hidden cost: destroyed pumps, cross-contaminated product batches, and unplanned facility downtime.

27 Nov 2025

Why Is Y Type Strainer Essential in Pumps & Valves?

IntroductionThe integration of Y Type Strainers in pumps and valves systems is a critical component for ensuring operational efficiency and longevity. These devices are designed to filter out debris and particulates from the fluid flow, thus preventing potential damage to the downstream equipment.