Please use the forms below for inquiries and questions about our navigation products, services and our website.
※Please note that it may take some time to response. We appreciate your understanding in advance.
For inquiries and questions about navigation products.
Inquiries about Navigation Products
For inquiries and questions about the maintenance, repair, and purchase of parts for navigation products.
Inquiries about Navigation Service
For inquiries and questions about our website.
Service Network
YDK Technologies sells and services its products all over the world, directly through sales offices and service agents in Japan, or through our many service stations in major port cities outside Japan.