28 September, 2021 With over 250 exhibitors, more than 80 speakers and around 100 seminars, Solar Solutions International, the largest trade show for solar energy in Northwest Europe, opened on September 28, in the Expo Haarlemmermeer, Vijfhuizen. LONGi, the world-leading solar technology company with its headquarters in Xi’an, China, released its Hi-RO Onyx – its brand new, premium modules designed for use in all rooftop applications. Based on LONGi proprietary monocrystalline wafer, Onyx adopts LONGi’s innovative solar cell and module technology to deliver the highest efficiency and reliability. The cell is half-cut with Zero Busbar (ZBB) technology, with no visible busbars.