Y series motors produced by regular manufacturers are all made of copper wire, while Y series motors are made of aluminum wire and are products produced by informal enterprises with cut corners

Experience observation: Motors produced by regular manufacturers are not What kind of markings are required? Regardless of whether there is a copper wire mark on the products produced by informal manufacturers, they will not fully comply with the national standards! It would be unreasonable to choose a motor simply based on whether it has copper wire.