with solar keymark certification ,high quality
Minimum Order Quantity: 1 Set/Sets
Supply Ability: 30000 Set/Sets per Month
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: cartons
Delivery Detail: 12days
Specifications:
manifold (interior): red copper
manifold (exterior): aluminum alloy
Glass tube dimensions: 58mm x 1.8m / 47mm x 1.5m
Heat preservation: 72 hrs
Hail resistance: 25mm
max pressure: 6 bar
Coating of vacuum tube: SS-C/CU
heat pipe : anti-freezing > -35 degree