Heavy cargo transportation
Large piece transportation generally refers to the transportation and distribution of large equipment.
Large items are those that have advantages in weight and volume. In terms of transportation tools, large items have strict requirements, which can not be transported by ordinary transportation vehicles, but need special transportation tools.
Heavy cargo transportation includes out of gauge and overweight.
Out of gauge equipment (goods) means that the loading outline dimension exceeds the vehicle gauge standard; Overweight equipment (cargo) refers to the effect of the total vehicle weight on the bridge exceeding the design live load.