1, not less than 20 pairs of fixed dumbbells and not less than 4 kinds of chest exercisers.

2. Adjust not less than 10 pairs of dumbbells and not less than 4 kinds of arm exercisers. There are not less than 4 kinds of forearm exercisers.

3. No less than 5 pairs of big barbells, no less than 4 kinds of abdominal exercisers, no less than 10 pairs of small barbells and no less than 2 kinds of hip exercisers.

4. The number of small barbell racks and small dumbbells should match, and there are at least three kinds of thigh exercisers.