QSJY3-4B is mainly composed of upright column, l···
QJJ20/30-4C is mainly composed of planetary cycl···
QYJ15-4B is mainly composed of a column, a lifti···
QYJ12-4B is mainly composed of a column, a lifti···
QJJ40-4B is mainly adopts the electric drive mod···
QJJ20/30-4A mainly composed of planetary cycloid···
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