solar water heater with double water tanks

1)high efficient heat absorption
2)inner tank :food lever stainless steel:SUS304-2B
3)large capacity(360litres)

solar water heater with double water tanks specifications as follows:
1) the material of Inner tank:food level stainless steel:SUS304-2B:thickness:0.31mm
2)the material of outer tank: stainless steel :SUS304-2B
3)dual or double water tanks: 90 liters per each one
3)brackets or support :stainless steel(201),thickness:1.8mm
4)evacuated glass tube:AL-N/AL OR SS-C/CU and AL-N
5)the size of outer tank diameter:420mm or460mm
6)Insulation :polyurethane foaming:50mm
7)auxilary water tank:10litres (to be option)
8)electrical heating booster
9)intelligent controller
10)silicone seals and rubbers and so on
certificates: ISO9001 ,CCC and CE and so on

Item no.
Evacuated tube
Tank capacity
Area
Volume
Loading QTY(reference)
FOB Shanghai
Dia
length
Qty
aperture
install
20'GP
40'GP
40'HQ
(mm)
(mm)
tube
(liters)
( m2 )
( m2 )
m3
(sets)
(sets)
(sets)
(USD)
AJ-SFDS15
ø47
1500
15
90
1. 48
1.12×1.5
0.42
62
132
160

AJ-SFDS18
18
108
1.67
1.25×1.5
0.48
55
116
140

AJ-SFDS24
24
144
2.22
1.64×1.5
0.61
44
92
110

AJ-SFDS36
36
180
2.94
2.16×1.5
0.76
35
75
88

SFDS15
ø58
1800
15
150
2.1
1.28×1.8
0.58
46
97
116

SFDS18
18
180
2.51
1.52×1.8
0.68
39
83
99

SFDS24
24
240
3.33
2.00×1.8
0.88
31
65
76

SFDS36
36
360
5.04
2.96×1.8
1.27
25
36
50