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Top support and bottom support

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The scaffold specification stipulates that the extension length of the adjustable base and adjustable support screw of the full support frame shall not exceed (300) mm, and the length inserted into the vertical rod shall not be less than (150) mm.

Jacking, an indispensable and important building tool in the process of scaffold erection and use, plays an important role. It plays the role of upper jacking and lower jacking. The names of jacking vary from place to place, such as building oil support, building lead screw, adjustable base, adjustable jacking, lead screw, oil support, U-shaped support, upper section of lead screw, lower section of lead screw, top support, support, top screw, etc, This also shows that there are many top care manufacturers.

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