Cinda Securities released a research report on April 26 stating that Hekang Xinneng (300048.SZ) was given a purchase rating. The main reasons for the rating include: 1) stabilization of the main inverter business; 2) starting construction of a new manufacturing base to expand production capacity to help development; 3) changes in product structure affected gross profit performance, and the net profit margin to mother increased significantly; 4) reduced sales expenses and increased investment in R&D; 5) net operating cash flow turned negative, and inventory levels declined. (Mainichi Keizai Shimbun)