Recently, Mr. Wisate Chungwatana (middle right), Chief Executive Officer together with Mr. Varanon Laosuwan (fourth right), Director- Utilities Project Development of WHA Utilities and Power Plc, congratulated Mr. Wittawat Svasti-xuto (middle left), Chief Technology and Engineering Officer of PTT Plc, during the stone laying ceremony for Intelligent Operation Center at EECi, the Wangchan Valley Project, Rayong province.