| Place of Origin |
Shandong China (Mainland) |
Features of our heat pipe vacuum tube: 1) oxygen free copper is used as raw material. first quality. 2)Combine glass vacuum tube and copper heat pipe as one unit. 3) With super conducting working liquid in copper heat pipe.. 4) With high degree of vacuum. 5) Without water flow in glass vacuum tube, in this way it can bear cold weather of 30 Deg C 6) Widely used for pressurized solar water heater and solar projects Outer packing: export carton.