Nick here from Shopify.
There are several advanced shipping rule apps that can handle dropshipping rules from multiple dropshippers. You'll need to contact each developer to discuss how to implement there app for your particular set of needs and products, I've included a list below:
On each of these pages, hit the grey "Get Support" button to email the app's devs to find out about using the app in your situation.
Hope this helps!
|3 hours ago|
|4 hours ago|