Group 1 - The core viewpoint of the article is that Kehua Bio (002022) has partnered with Waters to provide a dual-brand high-performance liquid chromatography-tandem mass spectrometry solution, which includes a series of equipment and testing reagents [1] - The solution aims to cover areas from pre-pregnancy precise cause screening, nutritional monitoring during pregnancy, to newborn disease prevention, thereby supporting better reproductive health [1] - The company advises investors to be cautious of concept speculation and to make rational investment decisions while being aware of investment risks [1]