If you want to manage the attribute 'Ships from' in a bulk and apply these changes to all products with this attribute - this option will be very useful for you.
Go to AliDropship Woo -> Settings -> Manage attributes:
Click blue button with text you need or enter the name of the attribute in a search field:
If you have products with attribute 'Ships from' you will see the attribute and its values:
IMPORTANT: You can't delete the whole attribute 'Ships from' in WooCommerce - you can only rename it or delete only some of its values.
Or you can rename the attributes and its values:
To apply changes click 'Update products':
Changes are applied: