- Racing Boats[1]
- Surfing[4]
- Raft[6]
- Rowing Boats[6]
- Other Boats[5]
- Other Woodworking Machinery[6]
- Paper Product Making Machinery[6]
- Other Construction Material Making Machinery[2]
- Quilting Machinery[2]
- Sanitary Napkin[5]
- Diapers/Nappies[6]
- Grinding Machine[6]
- Solar Water Heaters[2]
- Solar Energy Systems[4]
- Concrete Mixers[3]
- Fire Extinguisher[5]
- Raincoats[2]
- Plastic Sheets[2]
- Plastic Crushing Machinery[1]
- Life Vest[2]
- Packaging Cup[2]
- Packaging Boxes[1]
- Contact Person : Mr. Lee Jack
- Company Name : Qingdao Excel Luck International Trading Co., Ltd.
- Tel : 86-532-83803028
- Fax : 86-532-83800862
- Address : Shandong,Qingdao,Room No. 4005 ,EGO Digital Catenation,167 Liao Ning Road,Shi Bei District,Qingdao 266012,China.
- Country/Region : China
- Zip : 266012
Solar water heater
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Solar water heater uses the all-glass evacuated solar collector tubes as the heat-absorbing element. The high vacuum degree of the clearance between the outer and inner tube reduces the heate mission which is caused by convection and conduction. The layer films (coating) of the all-glass evacuated tubes transfer the sun energy into heat energy. The high absorption and low emittance rate of the layer films is unique. Depending on the different density between hot water and cold water, a water flowing cycle is created in the tube. Hot water flows automatically upwards while the cold water flows down. The water in the storage tank will be heated from this natural circulation.
Solar water heater
