We are Best trade co., based in wuxi , China. We are member of Tradekey.com since January, 2010. Our business is related to Transportation industry and we specifically deal in air drive lift pole. Please find our product details below: air pressure lift pole The limited length. But it can rise to the height that you want. The pole can rise and fall automatically. air pressure lift pole The limited length. But it can rise to the height that you want. The pole can rise and fall automatically. Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.