Energy
| Thu 06 Aug 2026
Beijing, Aug. 6 -- Sunrain Group Co Ltd and Richu Dongfang Holdings Co Ltd have been awarded a patent for High-temperature Hot Water Supply System of Solar Cascade Heat Pump. This invention was developed by Cho Seung Hwi, Ren Fulei, Chen Ronghua, Huang Yinchuan, Li Kaichun, Qi Zixia, Li Yunqiang, Zhang Rui, Zhang Zhaoyou, Zhao B..