- wall apintings in a Naxi village
- Village and mountains and solar thermal
- Solar Thermal, solar water heater
- Solar Air heater
- Broken heat pipe by freezing.
- Tube with supply and return fuel lines.
- Tube with supply and return fuel lines.
- Solar Tube with prism
- Tube with reflector
- All glass heat pipe solar tube.
- All glass heat pipe solar tube.
- Managers of IVAKE a solar tube fab.
- Tubes in a flat plate casing body.
- Wang Zhixuan
- Sun Yucai