- Quantity of product 610 watt - Φωτοβολταϊκό LONGI LR7-72HGD-610 Bifacial N-Type TopCon Glass-Glass can not be less than 9
- Quantity of product 440 watt-Φωτοβολταϊκό πάνελ LONGI solar LR5-54HTH-440M LS-440TC-M/108N-TYPE/FS30/BW/18B/1500V/MC4 can not be less than 12