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
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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
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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 systems demand components that can handle extreme conditions. A carbon steel hydraulic adapter provides secure connections that resist leaks under high pressure. Its strength and reliability make it ideal for industrial applications. You can trust its performance in environments where durability and safety are critical.
2026
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You rely on durable and efficient components to keep hydraulic systems running smoothly.
2026
03
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Reverse-threaded hydraulic fittings tighten counterclockwise instead of clockwise. You can recognize them by their unique thread direction. These fittings prevent accidental loosening in hydraulic systems. When asking, "are hydraulic fittings reverse thread," the answer depends on the application. Identifying them ensures proper installation and avoids damage to your equipment.
2026
03
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Choosing the right fitting type ensures optimal performance, safety, and system compatibility. You must consider how fittings impact pressure handling and fluid flow. BSP & hose fittings, known for their British origins, and SAE fittings, widely used in North America, offer unique features. Understanding these differences helps you make informed decisions.
Key Takeaways
BSP fittings work well for medium-pressure systems. SAE fittings are better for high-pressure systems. Pick based on your system's needs.
Check the thread type and pressure rating before buying fittings. This helps avoid leaks and keeps your system working safely.
Learn about new ideas in fitting design and materials. These updates can improve how fittings work and make them easier to install.
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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