CNC Swiss-type Lathe machines are specialized machines that are used to produce small, precision parts such as those used in the aerospace, medical, and electronics industries. These machines are known for their ability to perform multiple operations, such as turning, milling, drilling, and tapping, all in one setup. The best-selling CNC Swiss-type Lathe machines can vary depending on the specific application, industry, and region. However, some popular and widely used models include:

1. Star CNC Swiss-type Lathes – Star is a well-known brand in the CNC Swiss-type Lathe industry, and their machines are known for their high precision, efficiency, and versatility. They offer a wide range of models for different applications and industries.
2. Tsugami Swiss-type Lathes – Tsugami is another well-known brand in the CNC Swiss-type Lathe industry, and their machines are known for their high precision and reliability. They offer a wide range of models for different applications and industries.
3. Citizen Swiss-type Lathes – Citizen is a well-known brand in the CNC Swiss-type Lathe industry, and their machines are known for their high precision and durability. They offer a wide range of models for different applications and industries.