Solar Power Bank Phone +86 029-85880939 WhatsApp +86 18066967691 +86 18092261805 Email timchi@boruigroupco.com kaiven@boruigroupco.com With the continuous development of industrial technology & scale, photovoltaic has gradually become one of the most competitive power sources in the world. Xi 'an Tong Solar Energy Technology Co., LTD., was established with the trend of solar industrial development. From the beginning of its establishment, TONG SOLAR is aiming to provide multi-scenario solar products & solutions , http://www.tongsolar.com/