The five service points are at Bangkok office, the Central Region at Ayuttaya branch (Hi-Tech, Rojana and Bangpa-in Industrial Estates), the Eastern Region at Laem Chabang and Bowin branches (Amata Nakorn, Eastern Seaboard and Siam Eastern Industrial Estates) and the Western Region at Mahachai branch, with 10-30 service engineers at each point in order to provide services promptly.