Dongwu Securities released a research report on April 15 stating that it gave Jingsheng Electromechanical (300316.SZ) a purchase rating. The main reasons for the rating include: 1) excellent performance in the materials business, with inventory impairment losses affecting profits; 2) profitability remains stable, with the annual net interest rate of crucible about 49%; 3) high increase in inventory & contract liabilities and abundant on-hand orders; 4) PV equipment: achieving full coverage of silicon wafers, batteries, and component equipment; 5) Jingsheng semiconductor equipment positions large silicon wafers, advanced packaging, advanced manufacturing processes, silicon carbide; 6) materials: layout silicon carbide substrates & quartz crucibles & diamond wires. (Mainichi Keizai Shimbun)