1. According to the brand of the electrical discharge machining (EDM) machine.

The brand can also represent product quality, so when buying an EDM machine, the brand must be considered.

The prices of EDM machines from brands of the same level are not much different, and each brand's EDM machine will have its own characteristics.

2. According to the production history of the EDM machine manufacturer.

The length of the production history of the EDM machine manufacturer can indicate the maturity of its products.

A manufacturer with a deep foundation will perform better in various aspects such as the development design and production process of an EDM machine, thus ensuring better product quality.

3. According to the requirements of the processed products.

The four key performance factors of EDM machines: surface finish, electrode wear, processing speed, and processing accuracy.

Choose a suitable EDM machine based on the requirements of the processed products, referring to the above four key factors.

4. According to the size of the processed products.

Choose EDM machines with different stroke sizes based on the size of the products to be processed.

5. According to the processing technology.

Different processing technologies for EDM machines require different selections.

You can choose from different types such as ZNC EDM machines, CNC EDM machines, and mirror EDM machines.