Changzhou Joysun Solar Technology Co., Ltd. is a hi-tech manufacturing enterprise, specializing in the research and innovation of solar energy, . With Joysun sunshine studio, Joysun macromolecular heat preservation material research center and Joysun heat and light application research center, Joysun have gathered a lot of outstanding experts, professional in the field of solar energy and heat preservation. Possessing many technology of production and application of flat plate solar collector, though Joysun has just started, we have made out newer and be