A presentation masterclass took place on 15th August 2022 at 14:30 in “W HOTEL” (Tian He Gu Zhu Jiang New town area, Xian Cun road No. 26 Guangzhou, China), for the promotion of PDO Slopes of Meliton and PGI Sithonia wines, where all the participants had the opportunity to taste the PDO Slopes of Meliton and PGI Sithonia, wines presented by the Sommelier Xinyu Chen.