Wuxi Honghailong Marine Machinery Co., Ltd. was established on September 27, 2008, with a registered capital of RMB 10.8 million. The company is a specialized enterprise dedicated to the research, development, design, and manufacturing of high-torque marine hydraulic couplings, hydraulic bolts, hydraulic nuts, shafts, bearings, and other marine shafting equipment. Located in Wangzhuang Subdistrict, Xinwu District, Wuxi City, the company occupies a total area of 8,863 m², including 6,755 m² of production workshops.

The company currently employs over 60 staff members, including 9 engineering and technical personnel—such as senior engineers (professor-level), engineers, assistant engineers, and young technicians—all of whom are experienced technical experts and managerial backbone staff with years of industry experience.

The company is equipped with a comprehensive range of machining facilities, including CNC vertical lathes, machining centers, CNC boring mills, conventional lathes, planers, external and internal cylindrical grinders, drilling machines, boring mills, and milling machines. Additionally, it possesses specialized testing equipment certified by national authoritative agencies, such as a dedicated static torque test bench for hydraulic couplings, spectrometers, universal material testing machines, CJW-2000 magnetic particle inspection systems, and instruments for impact and hardness testing.

The company holds multiple certifications and accreditations, including:
GB/T 19001-2016 / ISO 9001:2015 Quality Management System Certification
Jiangsu Provincial High-Tech Enterprise
Jiangsu Provincial “Specialized, Sophisticated, Distinctive, and Innovative” (SSDI) SME
Jiangsu Provincial Private Science and Technology Enterprise
Wuxi Municipal Enterprise Technology Center
Wuxi Municipal Engineering Technology Research Center for Marine Hydraulic Shrink-Fit Couplings
Type Approval from China Classification Society (CCS)
Factory Approval from Bureau Veritas (BV)
AAA Credit Rating Enterprise
Based on actual torque requirements, the company can design hydraulic couplings for shaft diameters ranging from 50 mm to 900 mm. To date, it has successfully manufactured hydraulic couplings with shaft diameters up to 750 mm. The company has filed 11 invention patents and 28 utility model patents, laying a solid foundation for its sustainable growth.

Since its inception, the company has repeatedly participated in the design and manufacturing of prototype equipment for major national shipbuilding research projects. It has established long-term supply relationships with leading shipyards such as Jiangnan Shipyard (Group) Co., Ltd., Dalian Shipbuilding Industry Co., Ltd., Wuchang Shipbuilding Industry Group Co., Ltd., CSSC Huangpu Wenchong Shipbuilding Co., Ltd., Guangzhou Shipyard International Company Limited, and PLA Factory No. 4810, providing hydraulic couplings, hydraulic bolts, hydraulic nuts, and other shafting products.

Thanks to consistently stable product quality, competitive pricing, and responsive after-sales service, the company has earned high praise from customers, frequently receiving commendation banners and letters of appreciation. Customer satisfaction remains our driving force for continuous improvement. We sincerely look forward to serving every client and becoming your most trusted partner.