solar water heater
May 21, 2012
Component of Production: Material of Inner Tank: SUS304-2B Stainless Steel, thickness: 0.4mm, 0.5mm, 0.6mm Material of Outer Tank: Stainless steel, thickness: 0.31mm/ 0.4mm Copper Coil: diameter : 12mm, thickness: 1mm Heat Preservation : polyurethane .....