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Ask an Engineer

Do you ship internationally, and which couriers do you use?

Yes, HYSF exports to over 30 countries worldwide. We utilize major international couriers including DHL, FedEx,and UPS for fast air freight. We can also arrange sea freight for heavy bulk shipments. We support FOB, EXW, and DAP Incoterms to suit your logistics preference.

We are a Chinese manufacturer with a global footprint.

  • Air Freight (Express): For most connector orders (which are high-value but low-weight), we recommend DHL or FedEx Priority. Transit time to Europe or North America is usually 3-5 days.
  • Customs Clearance: Our logistics team is experienced in handling commercial invoices and packing lists to ensure smooth customs clearance in your country.
  • Your Account: If you have your own corporate shipping account (e.g., FedEx International Priority), we are happy to ship using your account number.
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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.

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

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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