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Telecom Maintenance Services
▪ Group Tech Solutions Co.,Ltd.,Maintenance Optical Fiber along
Expressway Authority of Thailand (EXAT)
▪ Maintenance Optical Fiber
▪ Work Period : Sep 2016 – Dec 2019
▪ Contract Value : as requested
▪ Advance Info Service Plc Co.,Ltd.,
▪ Corrective Maintenance BTS 2020
▪ North Eastern Region
▪ Maintenance: Base Station, Inside Plant, WiFi, Power System
▪ Work Period : Jan 2020 – Dec 2020
▪ Contract Value : as requested
January 2021 Page 36 of 37
