Patent Mechanical Arm --> NO adjustable in different weight with monitor while moving up&down, Monitor keep the same view with the eye. One time to stop any where. Light, small, havey loading No gas leaking problem, buy onetime using forever. Traditional gas spring --> Expensive and shape like a chicken leg Weight more than 5kg, but loading less than 8kg, Prohibit 10 times to move up&down continuously, 4 5kg , 8kg , , 10 , 8kg , , ( ),
Patent Mechanical Arm --> NO adjustable in different weight with monitor while moving up&down, Monitor keep the same view with the eye. One time to stop any where. Light, small, havey loading No gas
Patent Mechanical Arm --> NO adjustable in different weight with monitor while moving up&down, Monitor keep the same view with the eye. One time to stop any where. Light, small, havey loading No gas
Patent Mechanical Arm --> NO adjustable in different weight with monitor while moving up&down, Monitor keep the same view with the eye. One time to stop any where. Light, small, havey loading No gas
Patent Mechanical Arm --> NO adjustable in different weight with monitor while moving up&down, Monitor keep the same view with the eye. One time to stop any where. Light, small, havey loading No gas
Patent Mechanical Arm --> NO adjustable in different weight with monitor while moving up&down, Monitor keep the same view with the eye. One time to stop any where. Light, small, havey loading No gas
Patent Mechanical Arm --> NO adjustable in different weight with monitor while moving up&down, Monitor keep the same view with the eye. One time to stop any where. Light, small, havey loading No gas
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