- Solar Water Heater
- 2017-01-08 21:54
- The details of material1.Inner tank:stainless steel SUS304-0.5MM2.Vacuum tube:QB-AL-N/AL-47-1500/58-1800.3.Outer tank:pa
- solar heat collector with U pipe
- 2016-12-29 22:10
- The characteristic of U Pipe Collector 1) The vacuum tubes absorb the solar energy and transfer into the heat energy, th