Saucy Asian Pork and Shrimp meatballs

I’m a big meatball fan using beef; I especially love meatball  recipes which use small pieces of slightly moisten bread cubes folded into the meatball. (That’s how our maid, when I was growing up, cooked her meatballs.) But cooking pork meatballs never occurred to me until I saw  recipes in various Chinese  cookbooks.  Recipes with…