For a product on Shopify, you can have up to 100 variants with 3 options. Sometimes, you need to add some variants from another supplier to an existing product to make it easier to manage and sell product. Ali Orders can help you with that.
1/ Choose a product on your Product List, click Add Variant button:
2/ Copy the link of new product which has variants you want to merge and paste into the dialog:
Select suitable variants and click Add variant button
3/ All done, you can go back to your product page to see the result.
Should you need further support, please feel free to contact us via live chat or email us at firstname.lastname@example.org