Great question. Are you looking for service recommendations or general information about t-shirt printing methods?
I can help with both!
Contrado is a print-on-demand service that specializes in t-shirt printing. We use dye sublimation and reactive print methods to produce the best results.
As for printing methods, we've written a whole blog about the best way to print t-shirts.
Let me know if you have more questions!
Melissa from Contrado
Get the Contrado app for Shopify: https://apps.shopify.com/contrado-print-on-demand