Reliable Refrigeration Controller for OEM & ODM Projects

Match premium-brand performance, with full customisation and lifetime technical backing.

Benchmarked against leading international thermostat solutions

Custom hardware, firmware & face-label available

Long-term technical support for your mass-production

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3-Stage Quality Check

Every unit passes initial inspection, re-inspection & aging test.

Years in Business

Over a decade designing & manufacturing refrigeration controllers.

Trusted by Global Clients

OEM/ODM partners across Asia, Europe & the Americas.

Units Shipped Annually

Stable supply chain with consistent on-time delivery.

Rooted in Zhejiang’s Biggest Commercial Refrigeration Hub

First-hand refrigeration engineering experience
Professional whole-unit integration & testing

With over a decade of hands-on commercial refrigeration experience, we don’t just build controllers — we understand how every part of a refrigeration system works together. Our in-house engineering team conducts full system integration testing, ensuring every controller performs reliably in real-world cabinet environments.

Kaiyuan Electronic factory building in Zhejiang

Product Series

Integrated Series

KY-533

One-piece panel-mounted controller with external probe and built-in relay. Quick, clean installation for undercounter refrigerators, display cases, island freezers and worktop units.

110-220 VAC 50/60 Hz
Cutout 71.5 × 30 mm
-45~60°C/ -40~99°F

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Split Series

KY-566

Separate display head and power box for flexible mounting on undercounter refrigerators, display cases, island freezers and worktop refrigeration units.