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https://solarquarter.com/2020/07/02/longi-wins-tuv-rheinlands-outdoor-energy-yield-aqm-award-in-both-monofacial-and-bifacial-groups-at-the-all-quality-matters-solar-congress-2020/
LONGi wins TÜV Rheinland’s “Outdoor Energy Yield AQM Award” in Both Monofacial and Bifacial Groups at the "All Quality Matters" Solar Congress 2020