Symphony Communication Public Company Limited, together with Pinthong Industrial Park Public Company Limited, held SYMPHONY DIGITAL SOLUTION DAY by Khun Pongthep Thanakijsuntorn, Executive Vice President with a sales and engineering team presenting service information and network expansion in Pin Thong Industrial Estate Including notifying about bringing underground cable that will be completed within this year to increase the efficiency of communication services for operators. There were various inquiries and answers to various questions with valuable opinions with participants at the Morino Hotel Sri Racha on 11th September 2019.