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Can I visit the HYSF factory in Xiamen for an audit?

We warmly welcome clients to visit our headquarters and manufacturing facility in Xiamen, China. A factory audit is the best way to verify our ISO 9001 processes, see our 100MPa pressure testing in action, and meet our R&D team face-to-face.

Transparency builds trust.

  • What you will see: You can tour our CNC machining center, injection molding workshop, and the hydrostatic testing laboratory.
  • Logistics: We can assist with issuing Business Invitation Letters for your visa application and arrange local transport from Xiamen Gaoqi International Airport (XMN).
  • Virtual Tour: If travel is difficult, we also offer live video inspections of your production run via Zoom or Teams.
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.

Have a complex technical question?

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

Jason Liu
Kevin Wang
Cindy Chen
Lily Li
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