Yes, there are. Guangzhou Tunto Green Power Technology Co., Ltd., as a customer-oriented and service-based manufacturing company, has set up a Customer Service Department since established, the purpose of which is to provide customers with professional service throughout the whole process from preliminary communication process to after-sales service. Our service ranges cover technical support referring to the repair and maintenance of the product and prompt online Q&A which includes the guidance on the product installation. Customers are free to contact us and your problems will all be solved.

Relying on the rich experience in solar generator kit, we guarantee not only solar controller price but also solar controller price of our products. The bright solar garden lights series has become a hot product of TUNTO. TUNTO led street light solar system is exclusively developed by our talented R&D team who utilizes many market-based technologies such as biometrics, RFID, and self-checkouts. TUNTO solar garden/plaza light is nonconductive. we Green Power Technology has always been committed to the research and development of 5kw solar system. Strict quality control is taken over our company solar applications.

Regarding the efforts in promoting sustainability, we have made a lot. We introduce energy-saving production and working machines, utilizing resources fully, and cutting down wastes.