YONDEN procures materials and equipment ("Materials") based on the following eight principles.

YONDEN does business with reliable suppliers of high-quality Materials and services in Japan and other countries.

YONDEN impartially selects new suppliers in view of Materials quality and performance, price, delivery date, term of construction, operating conditions of the company, availability of after-sales services, consideration for the environment, and safety.

YONDEN respects human rights and protects personal information and secret matters. In addition, YONDEN observes all relevant laws, spirits, and social ethics in Japan and other countries.

YONDEN makes a point of safety as its first priority. YONDEN prevents industrial and workforce accidents and endeavors to secure public safety and hygiene.

YONDEN promotes to procure Materials with less environmental loads (YONDEN Green Procurement System), and endeavors to create a society based on resource-recycling in collaboration with valued suppliers.

YONDEN observes the contract with suppliers and executes it sincerely.

YONDEN builds partnerships with its suppliers through equal and fairy business. In addition, YONDEN aims at the mutual development.

YONDEN contributes to the development of the local community through procurement of Materials under the following basic corporate philosophy: “Living together with the local community, advancing with the local community, and prospering with the local community.”