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
Hydraulic fittings connect different components in hydraulic systems, ensuring fluid flows efficiently. These small but essential parts maintain pressure and prevent leaks. You rely on them to keep systems safe and reliable. Different types of hydraulic fittings serve specific purposes, making them vital for smooth operations in industries like construction, manufacturing, and agriculture.
2026
07
28
Choosing the right type of shape isn’t all about clearance. The straight, elbow, tee, and reducer shapes will have different effects on fluid flow and hose lifetime.
2026
07
28
SAE, BSP, and Metric hydraulic fittings often look the same size but rarely seal the same way. Here's how to tell them apart before they cost you a warranty claim.
2026
07
28
Failure of steel hydraulic fitting is rare under very hot or very cold conditions, as failure usually occurs due to loss of seal. Following is what happens and how to select against such problems.
2026
07
28
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
Copyright © 2026 NingBo NJ Hydraulic Adapter Co., Ltd- lifisher.com | Sitemap