- qixi series solar water heater
- 2016-12-29 20:47
- 1) Glass-evacuated Tube: Hard borosilicate glass tube (diameter: 47mm or 58 mm; length: 1500 mm or 1800 mm), 30 mm hails
- solar collector
- 2016-12-29 20:47
- Pressurized solar enter hot water system composed of several groups of non-pressure solar system and auxiliary back up h
- evacuated tube
- 2016-12-29 20:46
- 1.glss-evacuated tube: hardborosilicateglass tube(diameter :47mm or58mm;length:1500mm or 1800mm),30mm hailstone resistan