Photoshop Mockup design and Sewing cloth

We Produce Shirt and other cloth and need someone make mockup for our new products. We make design in photoshop and work with smart object in layer on each part of the shirt and the make automatics design on shirt pictures. Then we send to customer for approval and after that we need split sizes so every part in the shirt have different size depend on the size Xs-5xl. WE need a fix price on each mockup, we need 20-40 pcs before new year. Shorts, Apron, different underwear on lady and men.

Automatic answer I delete read it Please and ask me question if you need more information.

//Mr Jim