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When was HYSF founded and what is your industry standing?

HYSF SUBSEA was founded in 2016. Over nearly a decade, we have grown into a recognized leader among Chinese manufacturers in the subsea connector industry, achieving a “Premier Industry Standing”

HYSF (Xiamen Cuida Technology Co., Ltd.) has a clear history of growth and technological accumulation:

  • Established: 2016.
  • Recognition: We are officially certified as a National High-Tech Enterprise and a Science & Technology SME.
  • Market Position: We have successfully challenged international monopolies through independent innovation.
  • Client Base: Our expertise is trusted by prestigious institutions such as the Chinese Academy of Sciences (CAS), CSIC (China Shipbuilding Industry Corporation), and various national defense and marine research institutes.

Our long-standing presence and collaboration with top-tier research institutes validate our reliability and technical depth in the subsea sector.

Picture of John Zhang

John Zhang

(CEO & Lead Engineer)
Email: [email protected]
With over 15 years of expertise in subsea interconnect technology, I lead HYSF's R&D team in designing high-pressure (60MPa) solutions. My focus is on ensuring zero-leakage reliability for ROVs, AUVs, and offshore instrumentation. I personally oversee the validation of our custom connector prototypes.

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Proven Solutions in the Field

A showcase of our successful collaborations with global marine robotics, energy, and research partners. Every project reflects our commitment to zero-leak integrity and operational reliability.

Custom Molded Subsea Penetrator with Integrated Multi-Core Cable
Single-Pin High-Current (150A) Subsea Power Connector
Custom Retractable Subsea Spiral Coiled Cable (Spring Cable)
High-Strength Titanium Alloy Subsea Penetrator
Multi-Core Split-Type Watertight Connector (Diverse Configurations)
MCBH-Hybrid 4+2 Photoelectric Subsea Connector (Power & Fiber Optic)
60MPa High-Pressure Metal Shell Watertight Connector (4-61 Pins)
5MP High-Definition Underwater Observation Camera (40MPa)
Ultra-Miniature Subsea Watertight Connector Series (2-28 Pins)
RMG Series 4-Pin Subsea Engineering Cable Plug
Custom 1-to-3 Fan-out Subsea Splitter Cable System
Custom 6-Port Watertight Enclosure & Subsea Interconnect System
Custom 6-Port Watertight Enclosure & Subsea Interconnect System
10-Pin Ethernet Subsea Connector (2 Power + 8 Network Cores)
70MPa Ultra-High Pressure Metal 61-Pin Subsea Connector
Custom 6-Pin / 40A Medium-Power Subsea Connector
Custom Branching Subsea Cable Network (Tree Topology)
Custom Miniature Single-Core In-Line Watertight Connector
Custom Subsea Bulkhead Flange Joint Connector
HYSF-140A-180A-high-current-underwater-power-connector-for-thrusters
High-Frequency Subsea Coaxial RF Connector Assembly (50-3 / 50-5)
Micro Flange 3-Pin Subsea Bulkhead Connector (IL4MF Compatible)
HYSF-custom-6-pin-40A-underwater-power-distribution-connector
PBOF Series Pressure-Balanced Oil-Filled Subsea Connectors
60MPa Metal Shell Bulkhead Connector with Triple Seal (4-61 Pins)
Gigabit Ethernet 12-Pin Subsea Connector (4 Power + 8 Network)
All-New Next-Generation Subsea IP Network Camera Series
Miniature Subsea Watertight Connector (Marine Bronze Base)
MCPBOF2-8MF Oil-Filled Pressure Compensated Connector (8-Pin)
5MP High-Definition Underwater Camera (40MPa / 316L Stainless Steel)
High-Performance Photoelectric Hybrid Subsea Connector
50MPa High-Precision Subsea Pressure Sensor
Custom Branching Subsea Cable Network (Y-Splitter & Multi-Node)
Integrated Subsea Interconnect & Imaging Solutions
Right Angle Molded Micro Bulkhead Connector (LPMBH-IL12/16MF Compatible)
Custom High-Intensity Subsea LED Light & Mounting Bracket System
HYSF-high-density-25-pin-subsea-signal-connector-for-oceanographic-sensors

Start Your Subsea Project with HYSF

Whether you need a quick quote for standard connectors or a complex custom cable assembly, our engineering team is ready to assist. Expect a technical response within 12 hours.

John Zhang

CEO

Jason Liu
Kevin Wang
Cindy Chen
Lily Li
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  • Our team will answer your inquiries within 12 hours.
  • Your information will be kept strictly confidential.
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