Tianjin Sentinel Electronics (SENTINEL) has been focusing on the field of industrial automation control since its establishment in 2008. The company primarily engages in the research, manufacture, and sale of distributed IO modules, sensors, and connection systems based on field bus and industrial Ethernet protocols. Sentinel is among the few domestic manufacturers that independently research and develop industrial field bus products and IO-Link technology. Upholding the philosophy of "innovation-driven manufacturing and wholehearted customer service, " Sentinel offers high-quality industrial products and cost-effective solutions, specializing in providing customized services. Years of experience have earned Sentinel the trust and recognition of its customers in the field of industrial automation products.