クエッション List of Products and Services

We aim to promote the adoption of solar power generation with a domestic residential solar power generation system that achieves an astonishing price of 150,000 to 230,000 yen per kW (excluding installation). As an industrial solar power generation system, we also offer one of the lowest price ranges in the country.

• Solar System Solar Module
• Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)

As the main services of Question, we offer solar power system business, IT business, and mobile business. We have been involved in proposing, developing, and building solar power, IT, and mobile information systems for various customers across different industries. Utilizing the know-how cultivated through our experience and achievements, we operate as an "IT Total Solution Company" that helps businesses solve various problems they face. [Business] ■ Solar Power System Business ■ IT Business ■ Mobile Business *For more details, please download the catalog or contact us.

• Power generation equipment