You Do Need power plug adapter while traveling from Aruba to China.

Here is Why You Need An Adapter

The outlet and plug type used in China are A, C and I and in Aruba are A, B and F. This is how they look like.

Aruba

In Aruba, outlets of type A, B and F are in use.

Type A

Type B

Type F

China

In China, outlets of type A, C and I are in use.

Type A

Type C

Type I