
Securing Every Door, Empowering Every Home
We design smart locks that blend technology with trust, bringing peace of mind to modern living.

Who We Are
Headquartered in ZhongShan, SUPRO UNION CO., LTD is a high-tech enterprise specializing in smart locks and smart home access solutions. We blend design, engineering, and manufacturing into one cohesive system — ensuring every product works beautifully out of the box.
Our Values & Mission
Innovation in Every Step
Our R&D team of over 50 engineers drives continuous OEM/ODM innovation. Inside our 8,000+ sq. ft. modern facility, more than 230 professionals operate 8 full-process assembly lines, turning creative concepts into high-quality smart locks at scale.


Quality Without Compromise
We conduct in-house testing across all major performance categories — environmental, life-cycle, aging, and simulation — ensuring every unit meets the toughest reliability standards before shipping.
Precision Meets Speed
With a warehouse capacity of 500,000 units and daily output exceeding 10,000 units, we deliver both scale and agility.
Warehouse Capacity (Units)
Units Produced Daily
Typical Lead Time

Let's Build the Future of Smart Living — Together.
SUPRO UNION CO., LTD helps global partners grow through reliable, cost-effective smart lock solutions.