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1. NingBo NJ Hydraulic Adapter Co., Ltd.
NingBo NJ Hydraulic Adapter Co., Ltd. was founded in 2004 and has grown into a leading manufacturer of Hydraulic Fittings and adapters through long-term technical focus and large-scale production capability. The company produces a complete range of hydraulic adapters, hose fittings, flanges, ferrules, caps, and plugs that meet international standards for industrial fluid systems. Its products are manufactured using advanced CNC equipment to ensure precise threading, strong pressure resistance, and consistent sealing performance. With strict quality control and extensive product inventory, NJ delivers reliable hydraulic components for demanding applications across multiple industries.
Address: 151 Hongxing Road, Wengao Development Park, Chunhu Street, Fenghua District, Ningbo City, Zhejiang Province, China, 315506
2. Shanghai Topa Hydraulic Co., Ltd.
Shanghai Topa Hydraulic Co., Ltd. specializes in the production of Quality Hydraulic Fittings , adapters, and hose assemblies for industrial and mechanical systems. The company manufactures a wide selection of standard and custom hydraulic connectors designed for high pressure and long service life. Its products are made with quality steel materials and precision machining to ensure tight connections and stable fluid flow. Topa maintains controlled manufacturing processes to deliver dependable hydraulic fittings for continuous operation.
Address: No. 188, Antuo Road, Jiading District, Shanghai, China
3. Shanghai Yonghua Hydraulic Equipment Co., Ltd.
Shanghai Yonghua Hydraulic Equipment Co., Ltd. has many years of experience in manufacturing Premium Hydraulic Fittings and adapter components for industrial machinery. The company produces connectors, adapters, and flange fittings designed for secure installation and pressure stability. Its hydraulic products are engineered to meet dimensional accuracy and surface finish requirements for reliable sealing. Yonghua focuses on consistent quality to support safe and efficient hydraulic systems.
Address: No. 68, Jinyu Road, Pudong New Area, Shanghai, China
4. Shanghai Ruiqi Hydraulic Technology Co., Ltd.
Shanghai Ruiqi Hydraulic Technology Co., Ltd. develops hydraulic fittings, Hydraulic Hose Fittings and adapters used in construction equipment and industrial systems. The company offers a wide range of threaded adapters and hose fittings built for strong mechanical strength and corrosion resistance. Its products undergo controlled machining and inspection to ensure reliable performance under high pressure.
Address: No. 558, Fengliang Road, Fengxian District, Shanghai, China
5. Shanghai Yansheng Hydraulic Machinery Co., Ltd.
Shanghai Yansheng Hydraulic Machinery Co., Ltd. manufactures hydraulic fittings, Flare-O Fittings and related components for fluid power transmission systems. The company focuses on precision-machined adapters and fittings that provide accurate alignment and leak-free connections. Its products are designed for durability and consistent performance in industrial environments.
Address: No. 399, Jinbi Road, Jiading District, Shanghai, China
6. Shanghai Hefa Hydraulic Components Co., Ltd.
Shanghai Hefa Hydraulic Components Co., Ltd. is engaged in the production of hydraulic adapters, Restricted Adapters , fittings, and connection parts for machinery and equipment. The company designs its products to handle high working pressure while maintaining strong sealing capability. Its fittings are produced using controlled machining processes to ensure uniform quality and reliability.
Address: No. 128, Jinyu Road, Pudong New Area, Shanghai, China
7. Shanghai Qiangshi Hydraulic Fittings Co., Ltd.
Shanghai Qiangshi Hydraulic Fittings Co., Ltd. produces Stainless Adapters and Fittings used in industrial and mechanical applications. The company focuses on solid structural design and accurate threading to ensure stable hydraulic connections. Its products are suitable for continuous use under demanding operating conditions.
Address: No. 266, Fengliang Road, Fengxian District, Shanghai, China
Table of Contents
- NingBo NJ Hydraulic Adapter Co., Ltd.
- Shanghai Topa Hydraulic Co., Ltd.
- Shanghai Yonghua Hydraulic Equipment Co., Ltd.
- Shanghai Ruiqi Hydraulic Technology Co., Ltd.
- Shanghai Yansheng Hydraulic Machinery Co., Ltd.
- Shanghai Hefa Hydraulic Components Co., Ltd.
- Shanghai Qiangshi Hydraulic Fittings Co., Ltd.
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. From the time we receive your order until it arrives at your facility, we're committed to meeting your deadlines and delivery requirements. Our goal is to provide your fittings as fast as possible — when and where you need them — which also helps you keep your inventories and freight costs low. Whether you have an emergency or an ongoing need, send us an email. We deliver the fittings you want, along with the high quality, best after-sales service and competitive price you deserve.