Jiangsu Yongjin Metal Technology has secured a groundbreaking patent for antimicrobial stainless steel straws featuring dual-layer protective coating technology. The innovation combines silver-plating solutions with specialized polymers for enhanced scratch resistance, while incorporating quaternary ammonium salts, tea polyphenols, & nanosilver for comprehensive bacterial protection. This technological advancement addresses growing demand for hygienic, sustainable alternatives to plastic straws in commercial food service applications.