About Kwong Sang
Seven Decades in Hong Kong: Engineering Excellence for Marine & Infrastructure
Established in the 1950s, Kwong Sang Engineering has been rooted in Hong Kong for over 70 years. As an approved maintenance contractor for the Government Fleet, we hold a long-standing responsibility for the upkeep of official vessels, built upon a foundation of rigorous engineering standards.
Over half a century of evolution, Kwong Sang has transformed from a specialist marine repair firm into an integrated solution provider, spanning marine engineering, land-based E&M, and energy infrastructure.
With a solid track record and technical expertise, Kwong Sang Engineering provides extensive services across various HKSAR government departments and major public utilities. Our trusted partners include CLP Power, The Star Ferry, CNOOC, MTR Corporation, and the Marine Department.
Backed by over 70 years of experience, comprehensive facilities, and a commitment to quality, Kwong Sang delivers reliable technical support for Hong Kong's maritime operations and critical infrastructure. We are dedicated to being the most trusted engineering partner, ensuring the safety, efficiency, and long-term performance of every project.
Marine Department Contract No.: GD/WS12/2025
Registered Electrical Contractor (REC) No.: 021405
▶️ Engineering Bases & Facilities
Our main facility is located in Sunny Bay, Lantau Island, Hong Kong. Spanning over 20,000 sq. ft. (approx. 1,860 sq. m.), this modern workshop provides ample workspace and logistical support for large-scale engineering projects.
The facility is fully equipped with heavy-duty and precision machinery, including overhead cranes, gantry cranes, precision lathes, and professional welding equipment. We possess the capability to undertake major hull structural repairs, precision machining, and high-specification welding to meet the rigorous technical requirements of government and infrastructure-level projects.
▶️ Core Capabilities
• Heavy Lifting & Mobilization: Equipped with large overhead and gantry cranes, ensuring the safe and efficient movement, overhaul, and maintenance of heavy machinery and generator sets.
• Precision Machining: Equipped with precision lathes and machining tools, providing in-house component manufacturing and high-tolerance restoration of worn parts to ensure quality control.
• Structural Welding: Staffed by professional welding teams with advanced equipment, capable of high-specification hull structural repairs, steel cutting, and complex piping system welding.
▶️ Official Authorizations & Partnerships
Kwong Sang Engineering is the authorized distributor in Hong Kong for Weichai Power, Baudouin, and Alfa Laval, providing equipment and spare parts sales.
We are experienced in power systems and heat exchange applications, providing technical consultation on model selection, installation coordination, and maintenance support.
Weichai Power
Kwong Sang Engineering is an authorized OEM and product distributor for Weichai Power in Hong Kong, and is the designated service center for Hong Kong and Macau.
We provide sales, genuine maintenance, and spare parts supply for Weichai diesel generator sets to ensure operational stability.
Weichai products offer high reliability, fuel efficiency, and environmental adaptability, and are widely used in local construction sites, standby power, and industrial settings.
Core Services: Sales of Weichai generator sets, genuine maintenance and diagnostics, and supply of 100% genuine Weichai parts.
Baudouin
Founded in France in 1918, Baudouin is an engine brand now under the Weichai Group.
As an authorized distributor for Weichai, Kwong Sang Engineering also provides sales services for Baudouin diesel generator sets, assisting clients in selecting suitable power equipment.
Their products feature long overhaul intervals and compact designs, making them ideal for marine and data center projects with demanding space and power requirements.
Alfa Laval
Through authorization from TD Yachts, Kwong Sang Engineering provides sales services for Alfa Laval plate heat exchangers and related components. We provide equipment supply and basic maintenance support according to client needs.
Why Choose Kwong Sang as Your Supply Partner? In engineering projects, equipment stability and maintenance efficiency are critical. By choosing Kwong Sang as your partner, you will receive:
1. Genuine Parts Sourcing
All equipment and parts are sourced through authorized channels, ensuring clear provenance and reliable quality.
2. Technical Support & Coordination
Providing maintenance advice and technical coordination to assist clients with routine upkeep and troubleshooting.
3. Genuine Parts Procurement Assistance
Assisting clients in direct procurement of original parts, coordinating delivery and repair schedules to minimize downtime.
4. Maintenance & Servicing
Providing maintenance according to factory recommendations and establishing service records for future tracking and management.
For equipment procurement or genuine parts support, please contact Kwong Sang for supply arrangements and technical assistance.