CEJN AB is a Swedish manufacturer of high-performance quick connect couplings and accessories, founded in 1955 and headquartered in Skövde, Sweden. The company specializes in connection solutions for compressed air, hydraulic fluid, and electrical signals, serving industrial, automotive, marine, and electronics sectors. Its core product lines include the pneumatic Series 300, 400, and 500 quick couplings, known for high flow and durability, and the MultiLink modular connection plates for simultaneous multi-line linking. CEJN also offers hydraulic quick couplings for high-pressure applications and electrical multi-pin connectors for signal and power transfer. The company’s products are designed for leak-free, safe, and ergonomic operation, reducing downtime in automated assembly and robotic systems. CEJN holds a leading position in the global quick connector market, with a presence in over 60 countries through subsidiaries and distribution partners. Its components are widely integrated into electronics manufacturing equipment, semiconductor test handlers, and laboratory instruments, ensuring reliable fluid and electronic connectivity. With a strong emphasis on R&D, CEJN continually innovates to meet the demanding requirements of Industry 4.0 and smart factories.