股市必读：拱东医疗（605369）2月3日主力资金净流出604.08万元，占总成交额8.95%

Group 1 - The core point of the article is that Gongdong Medical (605369) has received the CNAS laboratory accreditation, which enhances its testing capabilities and international recognition, although it will not significantly impact the company's financial performance [1][2] - On February 3, 2026, Gongdong Medical's stock closed at 19.26 yuan, down 1.03%, with a turnover rate of 1.58% and a trading volume of 34,800 shares, amounting to a transaction value of 67.5 million yuan [1] - The net outflow of main funds on February 3 was 604.08 million yuan, accounting for 8.95% of the total transaction value, while retail investors experienced a net outflow of 224.98 million yuan, representing 3.33% of the total transaction value [1][2] Group 2 - The CNAS accreditation certificate obtained by Gongdong Medical's testing center is valid until January 18, 2032, and confirms compliance with ISO/IEC 17025:2017 standards [1] - The international mutual recognition of testing results will help reduce market entry barriers and testing costs for products, thereby improving quality control and R&D innovation capabilities [1]