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Stainless Steel Tube Fittings

Stainless Steel Tube Fittings

Stainless Steel Needle Valves

Stainless Steel Needle Valves

Stainless Steel Ball Valves

Stainless Steel Ball Valves

Stainless Steel Check Valves

Stainless Steel Check Valves

Stainless Steel Gas Filters

Stainless Steel Gas Filters

Stainless Steel Pressure Regulator

Stainless Steel Pressure Regulator

Hydrogen Fittings

Hydrogen Fittings
NINGBO KESHENGLI STAINLESS
STEEL VALVE CO., LTD.
Hydrogen Fittings
NB-KSL is a leading manufacturer of precision stainless steel pipe fittings and valves in SS316.And is

China stainless steel fittings & valves manufacturers and wholesale stainless steel pipe fittings suppliers

, we meet GB, ANSI, and BSP standards through advanced CNC machining and strict quality control, serving critical industries from petrochemical to shipbuilding. Committed to Quality, Customer, and Integrity, we ensure reliable performance in every connection.

  • 2010

    Founded in
    Ningbo Keshengli Stainless Steel Valve Co., Ltd.

  • 8000

    Factory area
    Ningbo Keshengli Stainless Steel Valve Co., Ltd.

  • 55+

    Employees
    Ningbo Keshengli Stainless Steel Valve Co., Ltd.

  • 200+

    Export region
    Ningbo Keshengli Stainless Steel Valve Co., Ltd.
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Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Application
Petroleum
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Application
Electric Power
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Application
Pharmaceuticals
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Application
Food Manufacturing
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Application
Paper Making
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Application
Ships
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Application
Machinery Equipment
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Application
Petrochemical
Core strengths
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Experience & Scale
15 years in industry with over 10,000 projects delivered.
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Intelligent Quality Control
Smart manufacturing base with over 90% core parts self-made and a 99%+ pass rate.
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Flexible Delivery
Supports orders from small batches to millions, with fast delivery and cost optimization.
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Full Traceability
100% raw material PMI testing and full-process quality traceability.
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
WHAT'S NEWS
Provide you with the latest enterprise and industry news.
07-13
2026
Ball Check Valve vs Swing Check Valve: Which Stainless Steel Valve Fits Your System?
Quick Answer: Which Valve Should You Choose Choose a stainless steel ball check valve for small pipe sizes (typically under 3 in.), vertical installations, or systems needing fast response and tight sealing. Choose a swing check valve for larger horizontal pipelines (2 in. and up) where minimizing pressure drop matter...
07-06
2026
Stainless Steel Needle Valve Specifications Guide: Materials, Standards, and Sizing
Quick Answer: Key Specs to Check Before Buying For most instrumentation and process applications, a 316 stainless steel needle valve rated for 6,000 psi with a 1/4 in. to 1/2 in. NPT or tube-fitting connection covers the majority of general-purpose and moderate-pressure needs. Beyond that baseline, four specs decide w...
07-01
2026
How to Choose the Right Stainless Steel Tube Fittings for Your Project
The right stainless steel tube fitting is determined by five factors, in order of priority: material grade (304 vs. 316), connection type (compression, flared, or welded), working pressure and temperature rating, tube outer diameter and wall thickness, and compliance with the relevant industry standard (ASME B16.11, A...