2 https://sinovoltaics.com/events/intersolar-2016-europe-munich/ Intersolar 2016 Europe: PV exhibition highlights in Munich
3 https://sinovoltaics.com/events/intersolar-munich-2015-technology-highlights/ Intersolar Munich 2015 – technology highlights
2 https://sinovoltaics.com/events/10-companies-made-snec-2015-exhibition-shanghai-worth/ SNEC 2015: 10 outstanding solar trends
