Certificates

PEJ commitment to quality (Japanese)

PEJ commitment to quality (Japanese).

ISO9001 certificate (Japanese)

ISO9001 certificate (Japanese).

ISO9001 certificate (English)

ISO9001 certificate (English).

Patent of a ventilation unit with heat exchanger (Japanese)

Patent of a ventilation unit with heat exchanger (Japanese).

Seseragi trademark registration

Seseragi trademark registration.

Seseragi α trademark registration

Seseragi α trademark registration.

Gauss Fan trademark registration

Gauss Fan trademark registration.

PEJ super ventilation trademark registration

PEJ super ventilation trademark registration.

PEJ ventilation trademark registration

PEJ ventilation trademark registration.

Breathing type ventilation trademark registration

Breathing type ventilation trademark registration.

European patent of a fan unit invention

Eurpean patent of a fan unit invention.

Certificate of membership | Japan Builders Network

JCertificate of membership | Japan Builders Network.