ClassNK e-Product

ClassNK e-Product is an online service for surveys of Material and Equipment. Using this service makes it easy to apply individual inspections of ship supplies (materials, machinery, equipment, etc.) and receive electronic certificates and invoices.
Additionally, this service will automatically notify applicants by e-mail upon accepting your applications (including changes to the contents) by NK, and issuing certificates and invoices from NK.

User Registration

You can use ClassNK e-Product by creating a company/workshop account and registering as a user from the following site:

ClassNK e-Product
For more information, please refer to the following user guide and FAQ:

Electronic Certificates

The certificates issued by ClassNK e-Product are secured electronic files. They are electronically signed and record the certification and tampering histories. You can check the certificates from the verification site of the certificates by reading the Tracking ID or QR code shown on each certificate.

ClassNK e-Certificate Verification


An example of Electronic Certificates and Verification Sites

Inquiries about service details and operation

For general inquiries regarding e-Product applications, please contact our branch office.

For inquiries regarding system troubles and system operating, please contact our Information Technology Department.

Information Technology Department
TEL: +81-43-294-5467

For inquiries regarding the relevant regulations of the product, please contact the relevant department. (Materials and Equipment Department, Machinery Department or Hull Department), respectively.

Materials and Equipment Department (Regarding Equipment, Cargo Handling Appliances, Metallic Material and Non-Metallic Material)
TEL: +81-3-5226-2020
Machinery Department (Regarding Marine Machinery/Equipment, Piping system, Electric Equipment and Valve)
TEL: +81-3-5226-2022
Hull Department (Regarding Closing Device, Hatch Cover and Weld Construction)
TEL: +81-3-5226-2017