Specification: 1. Inner tank: 1.2mm food grade stainless steel304 Outer tank: 0.4mm galvanized steel 2. Insulation: 50-55mm polyurethane CFC-free 3. Supporting Frame: 1.5mm galvanized steel 4. Vacuum tube: ALN/ALN-SS-CU with heat pipe, Absorber, glass thickness 1.6mm 5. ...
Jiangsu Sunpower Solar Technology Co.,Ltd [Energy] [Solar Energy Products] [2017-06-23 17:13:40 ]