higher than the 15.8% increase in net sales, resulting in a gross margin ratio of 4.3 percentage points lower than a year ago . The increase in the per-unit material cost was due to a steady growth of. | May 26, 2023
11.02.2022 - DGAP-News: Photon Energy NV / Key word(s): Annual Results Photon Energy Group Announces Record 2021 Revenue and EBITDA 11.02.2022 / 09:48 The issuer is solely responsible for the content of this announcement. Photon Energy Group Announces Record . Seite 1