R&D Center

JSES has developed many new technologies applicable to construction sites through the dedicated R&D department.
Intellectual Property Rights

This heat insulation construction method for freezing and refrigerating warehouses, and it minimizes condensation, provides an excellent non-combustible structure, is highly resistant to flames in the event of a fire, and is also durable.
Main-Biz Certificate

JSES is a Main-Biz selected by the Management Innovation SME Development Project.
ISO 45001

The certificate is issued on the basis of the results mentioned in the pertinent audit report. Validity of the certificate is conditionally limited by positive results of surveillance audits, which the certified company is committed to undergo.
ISO 9001

The certificate is issued on the basis of the results mentioned in the pertinent audit report. Validity of the certificate is conditionally limited by posit