电科芯片：电科芯片（集团）微信公众号提到的超精密电压参考芯片不是公司研制的芯片

Group 1 - The core point of the article is that the ultra-precision voltage reference chip mentioned in the WeChat public account of the company is not developed by the company itself [1] Group 2 - The company responded to investor inquiries on February 4, clarifying the misunderstanding regarding the chip [1]