HI Chaengwattana 19 HI Chaengwattana 19 Developed by Utility Real Estate Company Limited. Total 347 units HI the beginning of a smile Towards a livable society “HI” sees that today's urban society has a rush to work. There is no time to even look and greet each other. Good friendship creates a good society worth living in. Everything starts with a smile and a greeting. "HI" would like to be the starting point of greeting each other and help build a good society. - Pink Line MRT Station -Central Chaengwattana -World Medical Hospital -Panyapiwat Institute of Management, Government Complex Commemorating His Majesty the King's 80th Birthday Anniversary