OUKAMU specializes in
the research, development, manufacturing, and
sales of low-voltage cable connection products, providing safe,
reliable, cost-effective, technologically advanced, and easy-to-maintain cable connection solutions for the construction, railway, highway, and municipal infrastructure sectors.
Our Services
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Residential Office Building
The OUKAMU branch joint for residential and office buildings enables fast, reliable on-site cable branching without cutting the main line, saving time and reducing installation costs.
Highway Tunnels
OUKAMU on-site branch joints are ideal for highway tunnel applications, delivering flame-retardant, low-smoke, and reliable cable branching without interrupting the main power line. They reduce installation time, save tunnel space, and ensure long-term electrical safety in harsh underground environments.


Railway Tunnels and Mines
OUKAMU on-site branch connectors are specifically designed for railway tunnels and mining environments, providing a rugged, durable, flame-retardant, and low-smoke cable branching solution. This product enables safe power distribution without cutting the main cable, ensuring quick installation, space savings, and reliable performance even in harsh, high-vibration environments.
Outdoor and Underground Waterproofing
OUKAMU on-site branch joints are designed for outdoor underground applications, providing waterproof, dustproof, and corrosion-resistant cable branching. They allow safe power distribution without cutting the main cable, ensuring quick installation, reduced downtime, and long-term reliability in harsh subsurface conditions.











