About Us



Company Profile
Founded in 2004, NingBo NJ Hydraulic Adapter Co., Ltd specializes in manufacturing hydraulic fittings, hydraulic adapters, hose fittings, split flange kits, flange adapters, flanges, reusable hose fittings, ferrules, caps and plugs and so on, then sell to worldwide, especially North America, South America, Australia, Germany, UK.
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.
We are proud to serve major markets including: construction, agriculture, mining, industrial equipment and more.
All NJ fittings are manufactured to the highest standards, meeting S.A.E./BRITISH/EATON/DIN and INTERNATIONAL specifications.
We control our own manufacturing both domestically and overseas.
NJ has a strong inventory reserve, more than 20,000 warehouse has more than 25,000 series and sizes of fittings, far more than the competitors twice as much.
Why Choose Us

Equipment
We have complete production line including 400 sets CNC machines and 200 sets other equipment.

Group
We have our own sales team to provide 24 hours service. Professional engineer team for technical support.

Quality
We're certificated by ISO 9001:2015, ensuring the highest quality standards.

Price
All the products produced by automatic CNC machines, so the pricing will be quite competitive.

History
Since 2004, NJ has provided company with the highest-quality, critical fluid equipment components.

Mission
With excellent quality, first-class service, honest business as our core mission.

Huge Stock
25000+ stock of hydraulic adapters and fittings ready for immediate delivery.

Fast Delivery
20GP delivery in 15 days, ensuring your projects stay on schedule.

Customization
OEM/ODM accept. We can produce according to your specific requirements.
Machine And Equipment








Production Process

Blanks into the warehouse, according to the production order for blanks

First production inspection

First batch production, random inspection

Produce the next process, the first inspection, and then mass production

Production completion, inspection

Galvanizing

Galvanized, random inspection

