專利號 patent number: ZL.200610102198.X? ZL.200810054458.X? ZL.200820076128.6用電動跑車實現(xiàn)自動行走，根據(jù)施工現(xiàn)場和吊運材料的情況，可選3米、4.5米、6米、9米的梁長。適用于大型工程建筑，吊預(yù)制購件等。起重量可根據(jù)用戶要求定制。It has an electric motor, which can realize automatic electric moving and lifting materials. According to the construction site and material information, the beam length is optional. Is is applicable to large-scale construction, special materials, and so on. Lifting capacity can be customized according to requirements.?