TKSAGE manufactures high-quality pass boxes designed to maintain cleanliness and safety in controlled environments. These pass boxes are available in various types, including laminar flow pass box, negative pressure pass box, VHP pass box, and air shower pass box. Built with precision sheet metal fabrication, advanced CNC machining, and laser cutting, TKSAGE ensures durability and compliance with international standards. All pass box systems are manufactured under strict ISO9001-2015 quality management guidelines and certified with CE, UL, and 3C approvals. With over 35,000 m² of production space and a strong R&D center, TKSAGE has developed innovative pass-through solutions to minimize cross-contamination risks. By integrating advanced airflow technology with sterilization systems, the pass box units are widely applied in pharmaceutical cleanrooms, laboratories, healthcare facilities, and semiconductor manufacturing. Customers worldwide trust TKSAGE for reliable cleanroom equipment that meets FDA, GMP, and ISO14644-1 requirements.