Apricot trees

We can offer a few fruit tree species, such as cherries, as ungrafted young plants. But for most fruit trees this is still not possible or leads to a juvenile and infertile phase of the young trees that is too long. However, which young plants are available to producers of container plant products who wish to grow fruit trees in pots? And what should this fruit tree young plant product look like so that it is easy to process and allows a relatively short production period?