Materials Science & Environmental Durability

Built to survive the abyss. Understand our material selection logic—from 316L Stainless Steel to Titanium—and how we engineer resistance against corrosion and biofouling.

Material Science & Longevity FAQs

How impact-resistant are the connectors?

Ruggedness is key.

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Are your cables Halogen-Free (LSZH)?

Safety first in enclosed spaces.

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How do I prevent Thread Galling (Cold Welding)?

“Cold Welding” can ruin a $10,000 housing.

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What is the Shelf Life of the rubber components?

Rubber is an organic material that ages.

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How does HYSF address Microbial Induced Corrosion (MIC)?

The ocean is alive.

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Are the connectors resistant to Hydraulic Fluids and Oils?

Subsea environments are often contaminated with hydrocarbons.

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Is the Gold Plating on the contacts durable?

Not all “gold plating” is created equal.

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Do you offer PEEK connectors for specialized applications?

PEEK is the ultimate non-metallic solution.

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Are HYSF connectors resistant to Sunlight and UV Radiation?

Surface durability is just as important as subsea performance.

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Ready to verify our manufacturing capabilities?

Download our full Company Presentation or schedule a virtual factory tour today.

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.

Multi-Core Split-Type Watertight Connector (Diverse Configurations)

MCPBOF2-8MF Oil-Filled Pressure Compensated Connector (8-Pin)

Custom Branching Subsea Cable Network (Tree Topology)

RMG Series 4-Pin Subsea Engineering Cable Plug

Integrated Subsea Interconnect & Imaging Solutions

Ultra-Miniature Subsea Watertight Connector Series (2-28 Pins)

Custom Molded Subsea Penetrator with Integrated Multi-Core Cable

Gigabit Ethernet 12-Pin Subsea Connector (4 Power + 8 Network)

10-Pin Ethernet Subsea Connector (2 Power + 8 Network Cores)

60MPa Metal Shell Bulkhead Connector with Triple Seal (4-61 Pins)

5MP High-Definition Underwater Camera (40MPa / 316L Stainless Steel)

Custom 6-Port Watertight Enclosure & Subsea Interconnect System

Custom Branching Subsea Cable Network (Y-Splitter & Multi-Node)

Miniature Subsea Watertight Connector (Marine Bronze Base)

Micro Flange 3-Pin Subsea Bulkhead Connector (IL4MF Compatible)

High-Strength Titanium Alloy Subsea Penetrator

Custom Subsea Bulkhead Flange Joint Connector

70MPa Ultra-High Pressure Metal 61-Pin Subsea Connector

Custom High-Intensity Subsea LED Light & Mounting Bracket System

60MPa High-Pressure Metal Shell Watertight Connector (4-61 Pins)

Custom 6-Port Watertight Enclosure & Subsea Interconnect System

50MPa High-Precision Subsea Pressure Sensor

5MP High-Definition Underwater Observation Camera (40MPa)

Single-Pin High-Current (150A) Subsea Power Connector

Custom Retractable Subsea Spiral Coiled Cable (Spring Cable)

High-Performance Photoelectric Hybrid Subsea Connector

HYSF-custom-6-pin-40A-underwater-power-distribution-connector

All-New Next-Generation Subsea IP Network Camera Series

High-Frequency Subsea Coaxial RF Connector Assembly (50-3 / 50-5)

Right Angle Molded Micro Bulkhead Connector (LPMBH-IL12/16MF Compatible)

PBOF Series Pressure-Balanced Oil-Filled Subsea Connectors

HYSF-high-density-25-pin-subsea-signal-connector-for-oceanographic-sensors

HYSF-140A-180A-high-current-underwater-power-connector-for-thrusters

Custom Miniature Single-Core In-Line Watertight Connector

MCBH-Hybrid 4+2 Photoelectric Subsea Connector (Power & Fiber Optic)

Custom 6-Pin / 40A Medium-Power Subsea Connector

Custom 1-to-3 Fan-out Subsea Splitter Cable System

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