High solar-thermal conversion and low heat loss Stable advanced coating up to 380 centigrade Long time warranty to 15 years High level vacuum ensure operation under cold weather Data sheet of solar vacuum tube Material borosilicate glass 3... - Update: 2011-04-26

High solar-thermal conversion and low heat loss Stable advanced coating up to 380 centigrade Long time warranty to 15 years High level vacuum ensure operation under cold weather Data sheet of solar vacuum tube Material borosilicate glass 3... - Update: 2011-04-26

High solar-thermal conversion and low heat loss Stable advanced coating up to 380 centigrade Long time warranty to 15 years High level vacuum ensure operation under cold weather Data sheet of solar vacuum tube Material borosilicate glass 3... - Update: 2011-04-26

High solar-thermal conversion and low heat loss Stable advanced coating up to 380 centigrade Long time warranty to 15 years High level vacuum ensure operation under cold weather Data sheet of solar vacuum tube Material borosilicate glass 3... - Update: 2011-04-26

High solar-thermal conversion and low heat loss Stable advanced coating up to 380 centigrade Long time warranty to 15 years High level vacuum ensure operation under cold weather Data sheet of solar vacuum tube Material borosilicate glass 3... - Update: 2011-04-26

The high-power solar cells are used as power generation system of lamps and have longer lighting time and brighter lighting. Solar lamps achieve the perfect combination of functionality and decoration, but also have unique security functions, and str... - Update: 2011-04-26