Group 1 - Dongguan Xinyiyang Technology Co., Ltd. and Shenzhen Changying Precision Technology Co., Ltd. have applied for a patent titled "Metal Product Processing Method" with publication number CN120516361A, filed on June 2025 [1] - The patent involves a method in the field of metal processing technology, which includes steps for providing raw materials, processing product forming areas, and cutting off connecting areas to form products, enhancing processing efficiency and reducing costs [1] - The method aims to ensure that product forming areas are positioned accurately during processing, thereby avoiding impacts on each area and improving overall product quality [1] Group 2 - Dongguan Xinyiyang Technology Co., Ltd. was established in 2019, focusing on manufacturing in the computer, communication, and other electronic equipment sectors, with a registered capital of 100 million RMB [2] - Shenzhen Changying Precision Technology Co., Ltd. was founded in 2001, also in the computer, communication, and other electronic equipment manufacturing sector, with a registered capital of approximately 1.356 billion RMB [2] - Dongguan Xinyiyang Technology has participated in 7 bidding projects and holds 195 patents, while Shenzhen Changying Precision has invested in 35 companies and participated in 40 bidding projects, holding 1388 patents [2]

天眼查资料显示，山东泰嘉新材料科技有限公司，成立于2016年，位于济南市，是一家以从事黑色金属 冶炼和压延加工业为主的企业。企业注册资本80000万人民币。通过天眼查大数据分析，山东泰嘉新材 料科技有限公司参与招投标项目570次，专利信息27条，此外企业还拥有行政许可16个。 山东泰山钢铁集团有限公司，成立于1994年，位于济南市，是一家以从事黑色金属冶炼和压延加工业为 主的企业。企业注册资本300000万人民币。通过天眼查大数据分析，山东泰山钢铁集团有限公司共对外 投资了19家企业，参与招投标项目5000次，财产线索方面有商标信息38条，专利信息599条，此外企业 还拥有行政许可93个。 金融界2025年6月21日消息，国家知识产权局信息显示，山东泰嘉新材料科技有限公司;山东泰山钢铁集 团有限公司申请一项名为"一种屋面瓦用430不锈钢亚光面产品的生产方法"的专利，公开号 CN120169830A，申请日期为2025年04月。 专利摘要显示，本发明公开了一种屋面瓦用430不锈钢亚光面产品的生产方法，属于金属加工技术领 域。本发明制备的430不锈钢亚光面钢带表面亚光，光泽度均匀，表面不发白，光泽度达到 200‑ ...