Harmony Engineering Technology (Thailand) Co., Ltd. (HET) remains the sole authorized VSL Licensee and Representative (VSL Licensee) in Thailand.

Founded in 1983 as VSL Thailand Co., Ltd., we are demonstrating our capabilities with the know-how of construction performance accumulated over a long period of time, including concrete box girder bridges, super-large cable-stayed bridges, LNG TANKs, submerged tunnels, cathodic protection and special structure projects such as heavy lifting.