Company Profile
Company Profile

SEALIEN (SEALIEN ROBOTICS CO., LTD.), officially launched in Guangzhou in 2023, is a high-tech company specializing in the development and manufacturing of intelligent deep-sea robots. Backed by a strong foundation of over 210 intellectual property applications and more than 300 technical and management standards, we maintain full control over our core technologies and engineering capabilities.

Our founding team brings extensive international experience in the subsea robotics industry, with deep expertise spanning mechanical systems, hydraulics, electrical engineering, and software control. With a track record of participation in several high-end global subsea projects, we have built a top-tier R&D team primarily composed of master's and PhD-level professionals.

Guided by innovation at subsea technology level, we offer one of the most comprehensive marine robotic portfolios in the world, including next-generation Work-class ROVs, subsea Trenchers, and general-purpose marine robots. Our business is anchored on four key areas: full-system delivery, component and subsystem supply, equipment leasing and engineering support, and remanufacturing services.

With innovation and engineering excellence at its core, SEALIEN is committed to delivering the world’s most complete marine robotic solutions. Through integrated capabilities, technical depth, and a long-term vision, we empower our clients and the offshore industry to explore deeper, work smarter, and move further.

2023
Under operation since
500
+
Intellectual properties
& Certificates & Standards
and Codes
400
+
Standards and regulations covering
all aspects of work
Projects Projects
Deck Mobile Inspection Robot
2023.01
Deck Mobile Inspection Robot
Hull Cleaning and Inspection Robot
2024.01
Hull Cleaning and Inspection Robot
Ballast Tank Inspection Robot
2024.03
Ballast Tank Inspection Robot
Offshore windfarm cable repair in Xuwen, Zhanjiang Province
2024.05
Offshore windfarm cable repair in Xuwen, Zhanjiang Province
Offshore windfarm cable burying in western Guangdong Province
2024.08
Offshore windfarm cable burying in western Guangdong Province
New Seabed Cable & Pipeline Burying Plough
2024.08
New Seabed Cable & Pipeline Burying Plough
Representative
Projects
Projects

2023.01

2024.01

2024.03

2024.05

2024.08

2024.08

Our Patents
Our Patents

SEALIEN boasts the most extensive portfolio of intellectual property in deep-sea intelligent equipment across China, with over 30% of our patents classified as 

high-value invention patents, highlighting our strong R&D and innovation capabilities. We also maintain a broad range of copyrights in software design and intelligent control systems. All these assets ensure full autonomy over our core technologies, driving sustained technological leadership.


210+

Intellectual properties

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 Our Qualifications
Our Qualifications

Official Member of IMCA; obtained the ISO9001 QMS, ISO45001 OHSMS, ISO14001 EMS certificates

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Our Awards

SEALIEN has successfully granted the High-tech Enterprise Qualification, obtained the title of Greater Bay Area New Quality Productive Forces Innovative Enterprise, and won an award of the high-end equipment manufacturing industry. 


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Contact Us to Start Your Journey
Contact Us to Start Your Journey

SEALIEN leads the cutting-edge technology of subsea robotics in China. Seeking customized subsea equipment solutions or professional technical consultation? Contact our team to discuss your project.