On April 10th, Ji Yuehua, Vice President of JSTI Group, and Zhang Daqi, Vice Director of the JSTI Transport Planning & Design Institute, both went to Yunnan Communications Investment Group Co., Ltd. for a seminar and signed a strategic cooperation agreement. Wu Yun, Chairman of Yunnan Communications Investment Group Co., Ltd. Luo Hongxing, General Manager of the Group, and relevant leaders of the Group participated in the research seminar and signing ceremony.