Contact Sermsang Power Corporation PLC. 325/14 Lanlaung Rd, Mahanak Square, Dusit, Bangkok 10300 Thailand Operating Hours Monday - Friday: 09:00 AM - 06:00 PM E-mail info@sermsang.co.th Office Contact Tel. +66 2 628 0991 - 2 Investor Contact Tel. +66 2 628 0991 - 2 ext. 165 E-mail Ir@sermsang.co.th Contact Form First Name Last Name E-mail Address Phone Number Subject Message I have read and agree to the Privacy Notice Submit