Assembly parts are available in a variety of combinations, including but not limited to:

1. Machinery industry: various types of machinery and equipment, etc.;

2. Electronics industry: mobile phones, televisions, computers, network equipment, etc.;

3. Transportation: cars, bicycles, toy cars, etc.;

4. Furniture industry: furniture;

It can be seen that assembled parts are widely used in modern manufacturing and can help companies produce high-quality products faster and better.