- 1989. 10. 06
- Gordon-Conwell Theology Seminary
- 2002. 07. 29
- George Fox University
- 2006. 10. 21
- Oregon University
- 2012. 07. 09
- California State University Fullerton
- 2013. 04. 04
- University of Winnipeg
- 2013. 05. 31
- Univeristy of Victoria
- 2013. 08. 15
- Chestnut hill College
- 2014. 10. 31
- Drew University
- 1983. 07. 04
- Japan Lutheran College & Seminary
- 1998. 04. 06
- Kyushu Lutheran College
- 1998. 05. 28
- Tohoku Gakuin University
- 2002. 04. 12
- Osaka Sangyo University
- 2005. 01. 14
- Tokyo Keizai University
- 2006. 04. 28
- Matsuyama University
- 1995. 11. 30
- Qufu Normal University
- 1996. 12. 31
- Shenyang Normal University
- 2004. 08. 10
- Beijing Wuzi University
- 2007. 10. 08
- Zaozhuang Univeristy
- 2009. 05. 14
- Hubei University
- 2011. 07. 05
- Ludong University
- 2011. 07. 07
- Jinan University
- 2011. 07. 29
- Xinjiang Unveristy
- 2012. 04. 10
- QILU NORMAL UNIVERSITY
- 2012. 05. 24
- Xian University of Posts &Telecommunications
- 2012. 07. 11
- Shandong University of Science &Technology
- 2014. 09. 24
- Shandong Agriculture and Engineering University
- 2015. 04. 26
- Qilu University of Technology
- 2015. 04. 29
- Jining University
- 2016. 06. 19
- Qinghai National Unversity
- 2003. 11. 25
- Universidad de Autonoma de Barcelona
- 2012. 08. 23
- Universidad de Santiago de Compostela
- 2002. 07. 09
- Mainz University
- 2010. 03. 06
- Kuhne Logistics University
- 2003. 07. 17
- Far-Eastern State Technical University / Russia)
- 2004. 02. 11
- Central Philippine University / Philippine
- 2004. 07. 06
- University of Colima / Mexico
- 2005. 01. 31
- National University of Cuyo / Argentina
- 2005. 02. 02
- Playa Ancha University of Educational Sciences / Chile
- 2009. 07. 14
- Nizhniy Novgorod State Glinka Conservatoire / Russia
- 2013. 01. 28
- University of Peshawar / Pakistan
- 2013. 08. 08
- University of Danang / Vietnam
- 2013. 10. 18
- Mewar University / India
- 2014. 03. 25
- Mongolian University of Science and Technology / Mongolia
- 2016. 12. 22
- Tangdo University / Vietnam
- 2017. 02. 28
- Quang Ninh Traffic and Electrical Engineering College / Vietnam