Commercial administration and business management; sales promotion services; procurement of contracts (for others); procurement of contracts for solar power generation systems (for others); retail services and wholesale services for solar power generation system; retail and wholesale services; retail and wholesale of goods (by any means); retail and wholesale of solar power cells, bidirectional chargers, and storage batteries; business administration of leasing services relating to electric battery systems for the storage, discharge, supply, transmission and stabilization of electricity; intermediary business services relating to financing services for electric battery systems for the storage, discharge, supply, transmission and stabilization of electricity; intermediary business services, including commercialisation of solar panels.

Installation of solar power cells; installation of solar panels; installation of solar power generation system; installation of storage battery and storage battery system; installation of power generation apparatus; repair and maintenance of solar power generation system; repair and maintenance of storage battery; repair and maintenance of generation device; construction services; construction engineering; construction of buildings; construction consultancy; building services; building maintenance; building repairs; building project management; installation, integration, maintenance and repair and upgrading of electric battery systems, and consulting related thereto, for the storage, discharge, supply, transmission and stabilization of electricity; installation, maintenance and repair of solar panels and other equipment for use in converting solar energy into electricity; installation of solar energy systems and consulting related thereto.