... Slow Speed Electric Winch 1.Single drum or dual drum 2.Frequent reversal,high starting torque ... 3t,4t,5t,6t,8t,10t,16t,20t,25t,32t,50t hoist with high quality ... . Large pull capacity mostly are applicable to port building, traction of shipyard, steel structure transport ... capacity mostly are applicable for construction, lifting, disassembly, traction, assembly in construction company, mine, factory and ...