Beyond Connectivity: Comprehensive Subsea System Integration.
Empowering your underwater missions with mission-ready modules—from high-definition vision systems to pressure-rated electronic enclosures.
Advanced Subsea Modules & Integrated Solutions
From vision systems to buoyancy control, HYSF provides high-performance, turnkey subsea modules engineered to streamline your underwater vehicle integration and ensure mission success at depths up to 6,000m

High-Definition Vision & Illumination
Professional optical solutions providing crystal-clear imaging and high-intensity lighting for deep-sea exploration and monitoring.
- 4K & HD Cameras: Supporting 4K USB 2.0, network, and coaxial interfaces with up to 5 million pixels for distortion-free underwater observation.
- High-Lumen LED Lighting: 30W to 100W searchlights with PWM dimming and deep-water ratings from 300m to 4,000m.
- Rugged Housing Options: Available in black hard-anodized aluminum or 316L stainless steel for maximum corrosion resistance.

Pressure-Rated Enclosures & Junction Boxes
Robust enclosures designed to protect sensitive electronics and simplify complex subsea wiring networks.
- Custom Junction Boxes: 316L stainless steel structures featuring integrated watertight connectors for streamlined sensor array management.
- Cabin Penetrating Components: Reliable penetrators supporting 2-16 cores, compatible with 7/16, 1/2, and 5/8 inch mounting threads.
- High-Pressure Integrity: Engineered and verified for extreme working pressures up to 60MPa (6,000m depth).

High-Performance Buoyancy Materials
Advanced glass microsphere-based composite materials providing stable, long-term buoyancy for ROVs and AUVs.
- Versatile Density Range: Customizable densities from 0.36 to 0.63 g/cm³ to meet specific lift requirements.
- Deep-Sea Strength: Specialized models designed for depths of 1,200m to 6,000m with low water absorption rates (<1%).
- Mission-Specific Design: Shape and strength can be tailored to match the vehicle's structural and depth demands.

Underwater Monitoring & Control Units
Complete top-side control solutions featuring high-resolution displays and integrated data management for subsea operations.
- All-in-One Control Boxes: 14-inch widescreen monitors with integrated microcomputers and NVR (Network Video Recorder) support.
- Multi-Interface Panels: Featuring USB 3.0, Ethernet, and LED dimming controls for real-time camera and lighting management.
- Pressure Sensors: Integrated range of 0-50MPa sensors with 0-5V output for precise real-time depth monitoring.

Turnkey Vision and Buoyancy Modules for Unmanned Vehicles.
For ROV/AUV manufacturers, weight-to-buoyancy ratio and high-definition observation are critical. HYSF provides a "plug-and-play" module ecosystem.
- Vision-Ready Pods: Integrated 4K cameras and 100W searchlights with pre-installed HYSF penetrators for rapid vehicle assembly.
- Buoyancy Optimization: Custom-shaped solid buoyancy modules (0.42g/cm³) rated for 6,000m, ensuring perfect trim and payload balance.
- Space-Saving Connectivity: Utilizing L-shaped connectors to manage dense internal wiring within compact electronic hulls.

Long-Term Deployment in Extreme Ocean Trenches.
Research institutions require instruments that survive extreme pressure and maintain data integrity over months of deployment.
- Multi-Sensor Junction Boxes: Titanium alloy junction boxes that consolidate data from acoustic, salinity, and pressure sensors into a single uplink.
- Extreme Depth Testing: Every enclosure is verified at 60MPa (6,000m) to protect sensitive scientific data loggers.
- High-Fidelity Signal: Low-contact-resistance connectors and shielded cables to prevent data loss in deep-sea observatories.

Robust Monitoring Systems for Harsh Marine Environments.
Offshore oil, gas, and renewable energy sites demand high-durability systems that resist corrosion and mechanical stress.
- Corrosion-Resistant Enclosures: 316L Stainless Steel and Sea Copper housings designed for permanent subsea monitoring stations.
- High-Power Power Distribution: Specialized high-current systems (up to 180A) for subsea hydraulic gates and heavy-duty inspection tools.
- Real-Time Monitoring: Integrated HD network cameras for 24/7 visual inspection of subsea infrastructure and pipelines.

Continuous Surveillance for Marine Ecology and Farming.
Cost-effective yet high-performance systems for water quality monitoring and industrial aquaculture management.
- Network-Based Vision: Ethernet-integrated camera pods for real-time feeding observation in offshore fish farms.
- Custom Depth Sensors: Integrated pressure sensors providing real-time depth data to surface control units.
- Durable Cable Harnesses: Polyurethane-molded cable assemblies resistant to biofouling and long-term seawater immersion.
Seamless Integration Support: From Concept to Deep-Sea Deployment
HYSF provides more than hardware. Our engineering team works alongside you to ensure every component integrates perfectly into your subsea platform.
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.
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
- info@hysfsubsea.com
- +86 13942853869




- Our team will answer your inquiries within 12 hours.
- Your information will be kept strictly confidential.