Shanghai Municipal Engineering Design Institute (Group) Co., Ltd.
The 4th China International Import Expo in Nov.2021
The 3rd China International Import Expo in Nov.2020
EP Shanghai in 2019
Shanghai International Urban Underground Pipe Gallery Fair 2019
E-Power 2019
Promoting meeting in Suzhou Rail Transit Group Co., Ltd.
Promoting meeting in Wuxi Architectural Design and Research Institute
Promoting meeting in The IT Electronics Eleventh Design and Research Institute
Promoting meeting in Yunnan Electric Power Design Institute
Promoting meeting in China Railway Siyuan Survey and Design Group Co., Ltd.