Do you provide free samples for evaluation?

HYSF Free Sample Program

We understand that evaluating underwater connectors is critical before committing to a purchase. Our sample program helps you verify quality and compatibility.

What’s Included in Free Samples

  • 1-2 connector units for evaluation
  • Basic documentation and specifications
  • Mating instructions
  • 30-day evaluation period

Sample Eligibility

Free samples are available for:

  • Active development projects
  • Qualified business inquiries
  • University research programs
  • System integrators evaluating for production

Sample Request Process

  1. Submit sample request with project details
  2. Our engineering team reviews within 24 hours
  3. Upon approval, samples ship within 3-5 days
  4. Evaluation period begins upon receipt

Shipping Considerations

RegionShipping CostDelivery Time
North AmericaFree for qualified orders3-5 days
EuropeFree for qualified orders5-7 days
Asia PacificFree for qualified orders3-5 days
Other RegionsActual cost applies7-14 days

After Evaluation

If you proceed with production order, sample costs are credited toward your first purchase. If the connector doesn’t meet your needs, simply return it within 30 days.

Ready to evaluate? Request your free samples today.

Picture of John Zhang

John Zhang

(CEO & Lead Engineer)
Email: info@hysfsubsea.com
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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