1. Central China Regional Headquarters of Powerchina Road-Bridge Group Co., Ltd., Zhengzhou, China
2. Southeast Reginal Headquarters of Powerchina Road-Bridge Group Co., Ltd., Hangzhou, China
3. Western Reginal Headquarters of Powerchina Road-Bridge Group Co., Ltd., Chengdu, China
4. School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou, China