- House use solar collector tube
- 2017-01-08 15:40
- outer tube diameter: 58mm inner tube diameter: 47mm length: 1.8m for 15 years warranty OEM is welcomed
- Perfect solar collector
- 2016-12-29 20:23
- outer tube diameter: 58/47mm inner tube diameter: 47/37mm length: 1.8m absorptance:0.94~0.96 emittance:0.04~0.06
- Heat pipe vacuum tube
- 2016-12-29 20:02
- glass material: high borosilicate 3.3 length: 1.8m absorptance:0.94~0.96 emittance:0.04~0.06 for 15 years warranty