长华集团：7月29日接受机构调研，包括知名机构盘京投资的多家机构参与

Group 1 - The company has successfully produced new iterative samples of planetary roller screw and is currently in the research and development phase, with no mass production yet [2] - The company has acquired nearly 100 acres of land in the Hangzhou Bay New Area to design and plan a new production line for planetary roller screws, indicating proactive future development [2] - The carbon-ceramic brake disc is expected to reach a market scale of nearly 10 billion RMB, with the company starting to supply new energy vehicle manufacturers by the end of 2024 [2] Group 2 - The company has announced new customer orders totaling 2.013 billion RMB as of July 2025, with a significant number of orders not yet disclosed [3] - The company is focusing on expanding its new energy business and enhancing its competitive strength in the automotive metal parts sector [3] - The company's Q1 2025 report shows a main revenue of 423 million RMB, a year-on-year decrease of 27.82%, and a net profit of 6.7913 million RMB, down 84.87% year-on-year [3]