|  |Well -jointed  Multi-pipes connected modes  are generally  adopted on Feiya Flat Panel Collectors ,For example, pipes are rolled or laminated together .The heat resistance  between the pipes for water runing and the heater collecting panel  can be ignored .The main factors that influence the funtion of collectors unfied core are the structure design and surface aborbing coats .The efficency of unfied core on the well-designed collectors is above 93% Flat Panel Solar Collectors are structured with metal tubes panel and characterized by high heat efficency ,large hot water output ,strong  pressure resistance and  fine sunshine tolarence.The water is heated in the copper tubes ,the quality is stable and reliable.  Meanwhile ,they are free charge of meantance with 15 years longevity .Since they are challenged by the frozen season , they are suitable for customers in such place that are not frozen in winter as Guangdong ,Fujian, Yunnan ,Guangzhou Hainan ect then, it will be more worthy.

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