Linear Actuators, Motorcycle Alarms, Central Locking manufacturer / supplier in China, offering Telescopic Lifting Column DC Motor 200kg 250mm Stroke 370mm Retracted Length, 12V/24V DC Actuators 6000n 4mm/S - 25mm/S IP43 for Furniture Medical Equipment, 440lb 3-Stage Telescopic Electric Column Actuator 12V/24V DC 10" - 23.5" Customized Stroke and so on.