Prolight+sound Guangzhou 2019

 https://www.youtube.com/watch?v=nXlmY_zG1hQ

                                 Palm Expo Mumbai India 2018

                                                   https://www.youtube.com/watch?v=3z6U9wyQyQA

Prolight+Sound Shanghai 2017

https://www.youtube.com/watch?v=Q_PKvtFe6AQ

Prolight+Sound Shanghai 2015

https://www.youtube.com/watch?v=OADFEnJc8P4