A:
When we were one manufacturer of light and heavy industry or various kinds of factories. We will have some materials to transfer between the warehouse. The motorized transfer car and non-powered transfer cart can help the workers to transport these. In some way, it saves the labor and improves the efficiency. 
B:
 Ladle transfer car belongs to the KPT series. KPT transfer car  is supported by the cable line power. One end of the cable connects the ground power then via cable pulleys and traction wire steel rope to the control box and at last supply electric power to YZ motor which makes transfer wagon work. The ladle transfer car can transfer rolled coil.