1,winch for bridge,construction... 1,lifting safety 2,powerful ... , such as installing and demounting large-sized concrete, steel structure, equipment in construction site, mine, shipyard, slipway ... are appliable for port building, traction of shipyard, steel structure, transport and assemble, disassemble, pulling machines. ... 12002170*3070*1300Total weight460700908138035005000 winch for bridge building