1st China Asphalt Emulsion Congress and 1st ISSA China Workshop (Chengdu. China)

2nd China Asphalt Emulsion Congress and 2nd ISSA China Workshop (Xi'an. China)

3rd International Pavement Maintenance Technology Congress (Guangzhou. China)

3rd ISSA China Workshop (Kunming. China)

4th Pavement Preventive Maintenance Workshop (Chengdu. China)