Specialized category for various chains used in power transmission for manufacturing machinery and equipment. Handles a wide range from standard chains such as roller chains, conveyor chains, engineering chains, and silent chains to special material chains including stainless steel and resin types. Essential components for power transmission and material handling in conveyor systems, production lines, machine tools, and automation equipment, used in combination with sprockets. Unlike belt drives, provides reliable power transmission and positioning accuracy, playing a crucial role in manufacturing environments requiring high load capacity and precision.