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Vacuum Tube Solar Water Heaters
Vacuum Tube Solar Water Heaters
Changzhou Sun Angel offers Vacuum Tube Solar Water Heater, CX-0407-06. The material used in the vacuum tube adopts 3.3 H-B-S-G according with QB/T2436-99 ? ISO4803-1978 criterion. This tube has high euphotic rate, cold resistant, heat-resistant and good photics stability.