汉宇集团：公司参股投资了海伯森技术（深圳）有限公司

Group 1 - The core point of the article is that Hanyu Group (300403.SZ) has invested in Haibosen Technology (Shenzhen) Co., Ltd., holding a 5.42% stake in the company [1] Group 2 - Haibosen's main products are sensors [1]