The ceremony for ISO 9001:2015 Quality Management System and ISO 14001:2015 Environmental Management System certification.

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Don Muang Tollway Public Company Limited (“The Company”) is the private company which granted concession for construct and operate the elevated toll road, Utra Phimuk - Din Daeng to National Memorial Section (“Don Muang Tollway”)
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The Operation and Maintenance of Don Muang Tollway Public Company has reached a noteworthy milestone with the successful certification of its ISO 9001:2015 Quality Management System and ISO 14001:2015 Environmental Management System. This accomplishment stands as a testament to the diligent efforts and commitment demonstrated by the company's management and staff.

A ceremony was held to present certifications for the ISO 9001:2015 Quality Management System and ISO 14001:2015 Environmental Management System. The certificates were bestowed by SGS (Thailand) Co., Ltd. on March 21, 2022.

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The ceremony for ISO 9001:2015 Quality Management System and ISO 14001:2015 Environmental Management System certification.

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