President Tsai Ing-wen led Chern-Chyi Chen, Deputy Minister of Economic Affairs, Ker Chien-Ming, Coordinator of DPP Caucus in Legislative Yuan, Chih-Chien Lin, the Mayor of Hsinchu City, Kuo-Jung Shen, National Policy Advisor to the President, Jang-Hwa Leu, Director General of Industrial Development Bureau, and Cheng-Wei Yu, Director General of Bureau of Energy to visit the headquarter of Sino-American Silicon Products Inc. and GlobalWafers Co., Ltd. on 7th September.