What is the quality of Bart's excavator?

All right. Excavators are engineering vehicles used to dig or move large objects. Bart excavator is very good, and the quality is very good. They are one of the diversified enterprises in power grid accessories, power grid design, power grid manufacturing and power grid construction. Excavators, also known as excavators, are developed on the basis of mechanical transmission excavators. They use buckets to dig up materials above or below the bearing surface, and load them into transport vehicles or unload them into the stockyard.