Best Quality Low Price DA21 Portable Dry Biochemical Analyzer with 4.3 Inch Touch Screen Efficient, accurate, and portable diagnostic tools are essential for modern laboratories, clinics, and healthcare facilities. CO -ul principal. LTD, we are proud to offer MK-DA21 Portable Dry Biochemical Analyzer, a compact and powerful solution for biochemical analysis. With its intuitive interface, rapid testing speed, and versatility, it …