1.certificates:CE,SRCC,SGS,ISO,EN12975
2.Low coefficient of heat loss
3.Good performance and price
4.15years warranty
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact SupplierPackaging Detail: standard export carton with fomes inside
Delivery Detail: 5-7days
Heat Pipe Solar Vacuum Tube specifications as follows:
1)all glass hard borosilicate:3.3
2)high efficient selective absorption coating :tri-element
SS-C/CU and AL-N/AL
3)heat pipe: oxgyen free copper
4)alluminum fin around the copper heat pipe
5)no water in glass tube. the heat is conducted by medium in heat pipe
6)hail resistance:25mm
8)withstanding in extreme cold weather.
9)slicone seals and so on
certificates: ISO9001 ,CCC and CE and keymark SRCC and so on