汉宇集团：同川科技为公司的参股公司，目前公司持有同川科技的股权比例为40.34%

Group 1 - The core point of the article is that Hanyu Group holds a 40.34% stake in Tongchuan Technology, a leading domestic manufacturer of core robotic components [2] - Hanyu Group confirmed that Tongchuan Technology is an associate company and mentioned that any future disclosures will be made according to the company's announcement standards [2]