HANOI, VIETNAM - Media OutReach Newswire - 17 December 2025 - VinSpeed High-Speed Railway Investment and Development Joint Stock Company (a member of Vingroup) and Siemens Mobility GmbH (a subsidiary of Siemens AG, Germany), have officially signed Agreements on Comprehensive Strategic Partnership and Technology Transfer, thereby establishing a deep and wide-ranging cooperation in the field of high-speed rail in Vietnam.