... of complete indicating function Company brief introduction:Guangzhou Future Solar Technology Co., Ltd (www.gzfet.com / www.solar-system8.com ) is a ... reference ,and we belongs to the third kind. Our corn technology:1, Controller, with clear LED Indicator that showing solar system ... 1 year’s warranty 3) Inverter and controller: our core technology, we offer 2 years warranty ,we can offer the spare ...