According to the requirements of the notice "On Organizing the Application for the 2019 Guangdong High-Tech Product Certification" (Guangdong Association of High-tech Enterprises [2019] No.7), and following the required procedures including enterprise application, expert review, and preliminary public announcement, seven of our products — "Foam-free Lubricant (DX529)", "Foam-free Lubricant (DX528)", "Lubricant", "Rust Preventive (DX319)", "Rust Preventive (DX309)", "Copper Corrosion Inhibitor",