50 Tubes Stainless Steel Manifold Vacuum Tube Solar Collector for Large Heating Project Specifications 1. OEM available 2. Intelligent operation 3. High efficiency 4. It works even freezing -36 All glass tube ... Đọc thêm
Evacuated Vacuum Tube Solar Collector ISO CE OEM 304 Stainless Inner tank Solar Collector Key Features · absorption: >92% · Emittance: ≤8% · Daily Efficiency: ≥55%,≥45% in winte · Max Pressure: 0.6bar · Anti ... Đọc thêm
25 Tubes High Efficiency Colored Steel Vacuum Tube Solar Collector with Feeding Tank for House Specifications Glass Tube Solar Collector 1.OEM available 2.Economical and efficient collector 3.For large quantity ... Đọc thêm
Three Target Vacuum Tube Solar Collector Large Heating Project Hotel Solar Heating System Specifications 1. OEM available 2. Intelligent operation 3. High efficiency 4. It works even freezing -36 All glass tube ... Đọc thêm