Liberfitting Logo
Ningbo, China · OEM/ODM · 20+ Years

Zero-Leak Hydraulic
Fittings Built to
Your Exact Spec.

Carbon & stainless steel hydraulic fittings and adapters -- weld-free blanks, electric furnace steel, 700+ h salt spray protection. Trusted by OEMs, distributors, and assembly shops across Europe, US, and Brazil.

  • ISO 9001 Certified
  • CE & TUV
  • 14-Month Warranty
  • SGS Test Reports
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NO LEAK GUARANTEE 14-MONTH WARRANTY ISO 9001 CERTIFIED CE & TUV APPROVED 700+ H SALT SPRAY NO CRACK · NO BURST SGS TEST REPORTS 290+ CNC LATHES NO LEAK GUARANTEE 14-MONTH WARRANTY ISO 9001 CERTIFIED CE & TUV APPROVED 700+ H SALT SPRAY NO CRACK · NO BURST SGS TEST REPORTS 290+ CNC LATHES
Who We Serve

Find Your
Solution Path

Select your industry or role to explore tailored hydraulic fitting solutions, specifications, and support resources.

Heavy Equipment OEMs

Excavators, Cranes, Loaders

Zero-Leak Critical

Agricultural Machinery

Tractors, Harvesters, Sprayers

Corrosion Resistant

Hose Assembly Shops

Ferrules, Couplings, Adapters

Low MOQ · Fast Dispatch

Fluid Power Distributors

Wholesale, Private Label

Full Inventory Range

Industrial Manufacturers

Injection Molding, Mining, CNC

High-Pressure Weld-Free

Oil, Gas & Offshore

SS316, Batch Traceability

Extreme Corrosion Rated

MRO & Retail Groups

Long-Life, Leak-Proof Parts

14-Month Warranty

Specialty Vehicle Upfitters

Multi-Variety, Small Batch

Custom to Drawing
By The Numbers

Engineered Performance,
Proven at Scale

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Years OEM/ODM Experience

Supplying global brands since 2004

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Dedicated Workshops

Each led by an expert supervisor

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CNC Lathes

1/8" to 3" size range

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Hours Salt Spray (Zn-Ni)

CR3+ zinc: 96+ h standard

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Major Certifications

ISO 9001 · CE · TUV

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Warranty Period

Defects in materials & workmanship

Product Range

Featured Solutions

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Hydraulic hose couplings
Best Seller
Small & Large Series

Hose Couplings

One-piece weld-free blanks from electric furnace steel. Available in carbon steel (GB20#/35#/45#) and SS304/SS316. Sizes from 1/8" to 3". Zero-leak engineered.

High Pressure Weld-Free OEM/ODM
Pressure Range Up to 400 Bar
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Hydraulic hose ferrules
Assembly Shops
Precision Swaged

Hose Ferrules

High-dimensional-accuracy ferrules for hydraulic hose assemblies. Automated camera inspection ensures consistent batch quality. Low MOQ for assembly shops.

Fast Dispatch Low MOQ Camera Inspected
Inspection Automated Vision
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Hydraulic straight adapters
Most Versatile
BSP · NPT · JIC · ORFS

Straight Adapters

Comprehensive thread standard coverage. Carbon and stainless steel options. CR3+ zinc plating (96+ h salt spray) or zinc-nickel (700+ h) for corrosive environments.

Multi-Thread Zn-Ni 700h SS316
Thread Standards BSP, NPT, JIC, ORFS
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Hydraulic elbow and tee adapters
OEM Custom
45° · 90° · Tee Configurations

Elbow & Tee Adapters

Complex geometry adapters for tight routing in heavy equipment, agricultural machinery, and industrial systems. Black oxide and anti-rust oil finishes available.

90° / 45° Black Oxide Custom Angles
Configurations 45°, 90°, Tee, Cross
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Stainless steel hydraulic fittings
Oil & Gas
SS304 / SS316

Stainless Steel Series

For oil & gas, offshore, marine, and food-grade hydraulic circuits. SS316 with full batch traceability, third-party SGS test reports, and extreme corrosion resistance.

SS316 Traceable SGS Reports
Corrosion Extreme Duty Rated
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Custom OEM hydraulic fitting development
Custom
Design to Drawing / Sample

Custom OEM/ODM

End-to-end custom manufacturing: design review, rapid sampling, mass production. CE, ISO 9001, TUV certified. Private-label and branded packaging available.

Drawing to Part Rapid Sample Private Label
Lead Time Sample in 15-25 Days
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Quality Assurance

Our Quality Promise

100% Leak-Free Assurance

Zero-Leak Guarantee

NO LEAK · NO CRACK · NO BLOW OFF · NO BURST. Every fitting is engineered from weld-free, electric furnace steel blanks to eliminate micro-crack risk under high pressure.

14 Month Coverage

14-Month Warranty

Industry-leading 14-month warranty covering defects in materials and workmanship. Backed by full raw material traceability and in-process quality records.

3 Major Certifications

ISO 9001 · CE · TUV

Triple-certified facility with SGS test reports available on request. In-process self-inspection, supervisor patrol, and automated camera dimensional inspection.

700+ Hours Salt Spray

700+ h Salt Spray

Zinc-nickel plating achieves 700+ h salt spray resistance for the most demanding corrosive environments. CR3+ zinc with sealant provides 96+ h as standard.

Start Your Project

Ready to Eliminate
Hydraulic Failures?

Whether you need a custom fitting built to your drawing, a full catalog download, or expert selection guidance -- we're ready to support your project from day one.

Request a Quote

Submit your part requirements, drawings, or samples. Our engineers will respond within 24 hours with pricing and feasibility.

  • Custom parts to drawing/sample
  • OEM/ODM manufacturing
  • Rapid sample in 15-25 days
  • CE, ISO 9001, TUV certified
Start Inquiry

Download Catalog

Full product catalog with specifications, materials, thread standards, dimensions, and surface treatment options for all fitting series.

  • Complete product specifications
  • Thread standard cross-reference
  • Material & plating options
  • Dimensional drawings included
Download Free Catalog

Selection Support

Not sure which fitting, material, or plating is right for your application? Our technical team provides free selection guidance and compatibility advice.

  • Material compatibility advice
  • Plating selection guidance
  • Thread & pressure matching
  • Free technical consultation
Get Technical Help
Ningbo, Zhejiang, China
Response within 24 hours
Serving Europe · US · Brazil
Get In Touch

Send Your Inquiry

Fill in your requirements and our engineering team will respond within 24 hours with specifications and pricing.

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