United Power Engineering Co. Ltd.
4 Soi Sukhumvit 81 (Siripot), Sukhumvit Road, Prakranong
Bangkok, Thailand 10260
Bangkok, Thailand 10260
Email: upe@unitedpower.co.th
Email: upe@unitedpower.co.th
Tel: 662-383-9163
Email: spenco@spenco.com
Email: hydroen@hotmail.com