When reviewing contracts or official certificates, you may see the name “Xiamen Cuida Technology Co., Ltd.” This is our legal manufacturing entity.

While many suppliers claim “high quality,” HYSF backs it up with military-standard certification.

HYSF was founded with the goal of challenging the dominance of international brands in the subsea sector.

A common failure mode in subsea systems is a damaged cable allowing water to wick up into the electronics enclosure. HYSF mitigates this risk with specialized

The reliability of a watertight connector depends on how well the different materials stay together under pressure. HYSF employs an advanced HTV process:

Material selection is the first line of defense against subsea corrosion. HYSF offers flexible material options to match your operational environment:

In a market flooded with low-quality copies, HYSF has carved a niche as a premium technology innovator. Our Key Differentiators:

For clients who need more than standard catalog items, HYSF acts as a strategic manufacturing partner.

HYSF positions itself as a holistic provider of subsea technology. We don’t just connect your equipment; we help you see and operate underwater. Our Expanded Product