新华医疗：公司12月份取得的四款医疗器械注册证，丰富了血液透析产品线和体外诊断产品线

Group 1 - The core viewpoint of the article is that Xinhua Medical has obtained four medical device registration certificates in December, enhancing its product lines in blood dialysis and in vitro diagnostics, which aligns with the company's main business layout and is expected to improve its competitiveness [1] Group 2 - The newly acquired registration certificates are expected to enrich the company's offerings in the blood dialysis product line [1] - The addition of these products is in line with the company's strategic focus and is anticipated to strengthen its market position [1]