Qingdao commercial energy electronics co.,ltd is subsidiary corporation of Commercial energy group limited, We are manufacturer of wind and solar products over 6years with well-equipped testing facilities and strong technical force. Our main products are wind turbine, solar street light, solar power system, solar light system, solar fan, solar controller, solar inverter, solar refrigerator & freezer. We supply complete wind and solar power solution. With a wide range, good quality, ...