About Us
Disaster Countermeasures
SDGs
Company
Cable Landing Station
Cable Ship & ROV
KDDI CABLE INFINITY
KDDI OCEAN LINK
MARCAS-IV
MARCAS-V
PLOW-II
Solution & Service
Submarine Cable Installation
Submarine Cable Maintenance
Marine Consulting
Marine Civil Engineering
Diverless Burial Machine
New Cable Probe
Cable Probe
Underwater Clamp Meter
Technology Introduction
Enhancing Technology
Universal Joint
Training School
UJ Supplies
Jointing Qualification
Corporate Profile
Safety & Environment
Corporate History
Compliance
Access Map
Contact
upgrade training and re-qualification training