We specialize in SAE/BSP/METRIC hydraulic adapters and fittings.
WHY CHOOSE US
Our Advantage
Professional Hydraulic Adapter Manufacturer
We have always followed the standardization rules for a rigorous production process, saving time and cost for both parties and bringing maximum benefits to you.
We have complete production line including 400 sets CNC machines and 200 sets automatic CNC machines. Testing equipments including pressure test bench, salt spray test machine, projector, and ect.
We have our own sales team to provide 24 hours service. Professional engineer team welcome OEM projects. Our ERP system can implement the order in the first time, and help to trace the process, retrieve purchase data.
We’re certificated by IS0 9001:2015.
All the products produced by automatic CNC machines, so the pricing will be quite competitive.
Since 2004, NJ has provided company with the highest-quality, critical fluid equipment components. We’ve expanded our offering to more than 20,000 styles and sizes of hydraulic adapters and fittings. Stock orders will be delivered within 15 working days. All NJ products are manufactured to the Industry standards, meeting SAE/BSP/METRIC and International specifications. We control our own manufacturing, so if you’re in need of a custom solution, the engineering team can help with anything from altering a standard to developing a prototype.
With excellent quality, first-class service, honest business.
25000+ stock of hydraulic adapters and fittings
20GP delivery in 15 days
OEM/ODM accept
SERVICES
Services we provide
We provide a one-stop service integrating design, measurement, production, packaging, delivery, and after-sales service.
With excellent quality, first-class service, honest business.
The production process as bellow:Raw material checking - Machining in CNC and Automatic CNC machine - Inspect the semi-finished products - Checking the finished products - Do zinc plating - The products will be made inspection after zinc plating - Packing
Inquiry Now, Get The Price List
Whether you have an emergency or an ongoing need, send us an email. We deliver the fittings you want, along with the quality, service and competitive price you deserve.
PRODUCT
Main Products
ABOUT US
Founded In 2004
Founded in 2004, NingBo NJ Hydraulic Adapter Co., Ltd specializes in manufacturing hydraulic fittings, adapters, ferrules, flanges, ect and sell to worldwide.
Our history of collaboration with our customers for specially designed hydraulic applications, has established NJ as an industry-preferred source for customer-specific manufactured adapters.
Our products meet ASTM/BRITISH/SAE/DIN/EATON standards. Offer 2-3 pieces free samples within 3-7 working days.WAHT’S NEW
Blog & Article
A fitting rated for a system's working pressure can still fail early if nobody accounts for pulsation. Here's what pulse pressure actually does to steel fittings over time.
2026
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The stainless-steel metal is resistant to corrosion much more efficiently compared to the plated carbon steel; however, the effectiveness of such resistance differs among the grades of stainless steel.
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Compression, flared, and welded steel hydraulic fittings all seal differently and picking the wrong one for the pressure or service life you need is an easy mistake to make.
2026
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JIC reusable fittings play a vital role in hydraulic systems. They ensure secure connections, reduce downtime, and simplify maintenance. By choosing the right fittings, you can enhance system efficiency and reliability. As 2025 approaches, identifying the best options becomes essential for meeting evolving hydraulic demands and achieving long-term performance.
2026
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Get in touch with us
Just leave your email in the contact form so we can send you a free quote for our wide range of designs!
FEEL FREE TO CONTACT US
-86 15706836862
Add:
151 Hongxing Road, Chunhu Street, Fenghua District, Ningbo City, Zhejiang Province, China, 315506.
Contact With Us
Contact person: Fenny He
Tel: +86 15706836862
Contact person: Ting He
Contact person: Ting He
WhatsApp：+86 15606680672
Monday - Friday: 8am - 5pm Saturday: 9am - 4pm
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