We specialize in SAE/BSP/METRIC hydraulic adapters and fittings.


Our Advantage

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.

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.
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.
All the products produced by automatic CNC machines, so the pricing will be quite competitive.
With excellent quality, first-class service, honest business.
We’re certificated by IS0 9001:2015.
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25000+ stock of hydraulic adapters and fittings
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20GP delivery in 15 days
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OEM/ODM accept
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Customized Service
After negotiation with customer, we prepare to launch new OEM project.
  If customer have the drawings, which includes the dimensions, materials, special requirements, then we will make the products according to the drawings.
  If customer have no drawing but have samples, we will make the drawings according to samples and start mass production according to the drawings confirmed.
  If customer require to make mold for small orders, then we may charge mold fee in advance. When the order amount reach to $200K, then the mold fee will be returned.
  We will make the samples after the mold completed, and our engineer will check the samples quality carefully, including dimensions, surface, burrs..etc, then send to you for testing. After your confirmation of the samples, we will start mass production.
  laser logo, customized label/box/packing method...will be allowed.

providing customized services

Our factory is a professional factory engaged in the production of hydraulic adapter and hydraulic fitting, with over 20 years of history and rich experience. We have been committed to providing high-quality hydraulic adapter and hydraulic fitting products and comprehensive after-sales service, winning widespread recognition and high praise from customers. Our factory has a good reputation and a wide user base in the global market of hydraulic adapter and hydraulic fitting industry.

In the process of continuous development and growth, we have always adhered to the principle of "honest operation, quality first, and customer first", guided by meeting the needs of hydraulic adapter and hydraulic fitting customers, and providing customized services for customers has become our consistent pursuit. The following are various customized services we provide:

Surface Treatment Customized

We can customize different surface treatments for hydraulic fittings according to customer needs, such as zinc plating, nickel plating, zinc nickel plating, oiling, blackening, etc., to improve the corrosion resistance and aesthetics of the fittingts.

 Size and Shape Customized

For different applications, we can customize product dimensions and shapes based on customer samples and drawing requirements to ensure better adaptability and reliability during use. We can not only produce in large quantities according to customer requirements, but also support small quantities of customization to meet various product needs.

Materials Customized

In special industries such as mining, aerospace, and marine, the material requirements for products vary due to different environmental conditions. We can use different types of materials according to customer requirements, such as carbon steel, stainless steel, brass, etc., to meet the needs of different industries and expand the applicability of our products.

Laser Customized
We can also laser the customer's company name or logo information on the product according to their needs, to strengthen corporate promotion and publicity. This personalized processing can make the customer's product more recognizable, while also enhancing the brand effect.

Package Customized 
We can provide personalized packaging customization solutions based on customer needs to meet the needs of different customers. We have a professional team of designers and advanced production equipment that can be customized according to customer requirements, allowing customers to have exclusive identification and recognition on the packaging of their products.
In summary, the various customized services we provide are based on customer needs, ensuring the satisfaction of their special needs and enhancing their competitive advantage. We will continue to strive to serve our customers and welcome them to cooperate and consult. We will do our best to provide you with high-quality and high standard products and services.
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.
The Production Process As Below
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 
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The Packaging Progress As Below
The products will be packed with plastic bags and then into the boxes. The label will be sticked to the outer box. The regular box size is 26cm*26cm*13cm/23cm*23cm*13cm. Usually 48 boxes will be packed into one wooden pallet. If customer have special requirements for the packing, we can print logo on the carton and packing the qty according to customer need. The extra costs for the special packing way will be discussed with customer. Then we will ship the goods by sea. For small orders, we recommend to ship by air or express, such as FedEx , DHL, TNT, UPS, are all supported.
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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!
-86 15706836862
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
WhatsApp:+86 15606680672
Monday - Friday: 8am - 5pm  Saturday: 9am - 4pm
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