... Jiaxing Bojia Solar Energy Science And Technology Co., Ltd. is a professional solar energy product manufacturer in ... ,zhejiang,China.1.SOLAR KEYMARK, SRCC, CE, ISO9001-2000,CCC2.For home or project or ... :1) Reliable and efficient twin-glass solar tubes2) Copper heat pipes for rapid heat transfer3) Easy ... gradually heated Solar Collector Classic Models Widely Used in Solar Water Heating System and big ...