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three coating layer solar vacuum tube with red colored
three coating layer solar vacuum tube with red colored
Supplier Info
[China Supplier]
Contact Person : Ms. Bai Allen
Tel : 86-573-87887388
Fax : 86-573-87887666
Product Detail
1. The coating layer with Al-N/Al-Cu-SS 2. Longer coating time 3. Pure compound in absorption layer 4. Hot start quickly
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