we supply Solar lighting, Solar light, Solar Lamp. contact us via email. Thank you ... would like to cooperate with a reliable business partner. Solar lighting, Solar light, Solar Lamp Features: 1) It can withstand pressure ... ) Heat preservation: 72h7) Hail resistance: 25mm8) Tube standards: 14, 16, 18, 20, 24, 30, or 36 Heat Pipes with 58mm-1800mm ...