coil copper solar water heater

solar water heater, vacuum tube solar water heater, solar energy water heater the product explained that: Collection hot component: The high tech coating, contains element and so on aluminum, copper, stainless steel In water tank gallbladder: Imports the high quality SUS304-2B stainless steel high frequency welding craft Water tank outer covering: Import zinc steel alloy board/USD upont fluorine carbon plate Thermal insulation material and effect: Germany imports gathers the ammonia fat constant temperature whole to become spongy, winter a skylight according to the after water temperature is 45-65, summer is 60-95 Support material quality: Import steel plate/high quality aluminum alloy molding Ultra absorption elevation angle: Adapts the different geographical position 38-50 Disposition vacuum tube specification: Φ47mmX1500mm Φ58mmX1800mm