... of "hand-crank chip inserting machine" (patent number: ZL201430518221.9). An EI inserting machine for low-frequency transformers is a specialized piece of equipment used in the manufacturing process of transformers. The "EI" refers to the shape of the
... of "hand-crank chip inserting machine" (patent number: ZL201430518221.9). An EI inserting machine for low-frequency transformers is a specialized piece of equipment used in the manufacturing process of transformers. The "EI" refers to the shape of the more