HYSF Subsea Knowledge Base
Technical documentation, operational guides, and engineering insights for subsea professionals.
Navigate the Knowledge Hub Select a category below to access detailed specifications, installation guides, and FAQs.
About HYSF
Discover HYSF's manufacturing heritage, ISO/GJB quality certifications, and our mission to provide high-performance import substitution for subsea interconnects.
Commercial & Logistics
Essential information for procurement: MOQs, lead times, global shipping policies, HS codes, and warranty terms to streamline your purchasing process.
Technical Specifications
Deep dive into the engineering data: voltage/current ratings, 60MPa pressure testing, contact resistance, and detailed material properties for system integration.
Industry Applications
Explore how HYSF connectors power critical sectors, from Offshore Energy and Defense to Scientific Research and Commercial Diving.
Installation & Mating Guide
Step-by-step operational procedures, torque values, lubrication tips, and troubleshooting guides to ensure reliability and prevent field failures.
Customization & Engineering
Learn about our bespoke capabilities: custom mold design, high-voltage solutions, fiber optic hybrids, and reverse engineering services.
Materials & Environmental Durability
Understanding material science: 316L vs. Titanium, cathodic protection, microbial corrosion resistance, and expected lifespan in harsh subsea environments.
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.