Quality certificate: SOLAR KEYMARK SRCC, ISO 9001: 2000, CE and CCC
Free-headache logistics service
Warranty: 10 years for vac
Port: FOB Shanghai or Ningbo
Minimum Order Quantity: 1 Set/Sets
Supply Ability: 8000 Unit/Units per Month offer OEM
Payment Terms: L/C,T/T,Western Union,MoneyGram
Contact SupplierPackaging Detail: Standard export carton
Delivery Detail: 10 DAYS
Solar vacuum tube with heat pipe
Heat pipe vacuum tube: 58 x 1, 800mm
Heat pipe: 0.8mm in diameter
Flowing passage: 1.2 mm thick high quality rose copper (TU1)
Outer casing: 1.8mm thick aluminum alloy
Bracket: 1.5mm thick galvanized steel
Hail resistance: Diameter 30mm
Insulation layer: 50mm thich rockwool
Heat preservation: 72 hours
Maximum working pressure: 0.6mPa
Packing: Standard export carton