Product Intro: Heat collect parts: High-tech coat layer, content 3 elements: aluminum, cooper and stainless steel . Water tank inside: Imported high quality SUS****2B stainless steel Water tank outside: Imported galvanized steel alloy plate Heat retention martial and effect: Germany imported polyaminoesters constant whole forming, ****5 0C when lighted in winter and ****5 0C in summer. Support material: Imported hot dipping galvanized steel alloy plate Super absorb elevation angle: suit different places:*8°*0° vacuum tube size:*7****0mm *8****0mm Features of regular system: *Tube at high temperature with magnetic force. *Fluorocarbon (FVFF **0) crust *A long time of heat preservation *Fitting in anywhere of acid rain, sea wind erosion by salt and bad weather *Stable and reliable performance, well wind resistance *Patent protected collision from the side bracket resistant design *Meeting each requirement as washing clothes, abstersion and bathing *Optional accessiories : assistant tank, electrical heater *3 years international responsibility for free repairing or exchange due to original quality problems