Harn Engineering Solutions Public Company Limited
559 Soi Soonvijai 4, Rama 9 Road, Bangkapi, Huaykwang, Bangkok, 10310, Thailand Lat/Long: 13.753609, 100.574312
Phone: +66(0) 2318 9744
Fax: +66(0) 2023189744 ext 4000
E-mail: dec@harn.co.th
Facebook: Harn Engineering Solutions Pcl.