AB is a major product category in the商城 system, specializing in automation and MRO-related goods. This category encompasses a wide range of products designed to support industrial automation, maintenance, and operational efficiency. Key subcategories may include Electrons and Circuits, featuring items such as resistors, capacitors, integrated circuits, and circuit boards. Other potential products could be sensors, actuators, PLCs (Programmable Logic Controllers), and HMI (Human-Machine Interface) devices. These components are essential for building, maintaining, and optimizing automated systems in manufacturing, robotics, and other industrial applications. The AB category is curated to provide high-quality, reliable solutions for professionals in the automation and MRO sectors.