Servo, Electronics & Robot Repair Canada start with; Advanced Servo Technologies. AST is a full service repair company, specializing in the repair of industrial/automation controls, accessories and robotics such as servo motors, proportional valves, hydraulic accessories, servo valves, electronic equipment, industrial controls, automation controls and OEM parts. Advanced Servo Technologies, a Canadian company based in the Toronto area repairs any and all makes and models of hydraulic and electronic components. To better serve our customers we also supply remanufactured units, accessories and all other parts that may be useful for any specific system.