FYI: Tier 1 is marketing spin, Tier-1 has NOTHING to do with the Quality of ANY Solar Panels, in fact it is a Banking term used to categorise the financial position of the Company !
FYI: Tier 1 is marketing spin, Tier-1 has NOTHING to do with the Quality of ANY Solar Panels, in fact it is a Banking term used to categorise the financial position of the Company !