OFFICES & GROUP COMPANIES
S.E.I. Thai Holding Co., Ltd.
Established in 1997 as improving efficiency of corporate business and strengthen Sumitomo Electric Group's Global corporate management, structure in APAC region.
54 B.B. Building, 10th Fl., Room 2004-2006, Sukhumvit 21 Rd.(Asoke), North Klongtoey, Wattana, Bangkok, 10110 Thailand