My guess is they're used in industrial kitchens when preparing lunch for lots of people. You know, the same people who have 10L of egg-whites in the walk-in cooler. I can't imagine regular people using them, they're definitely not available in shops.
Boiled chicken eggs are where there is no, and if not a gourmet, when peeling eggs out, you will not distinguish the other American chicken eggs anywhere in Vietnam.
Am I having an aneurysm or is that first paragraph gibberish?
Boiled chicken eggs are where there is no, and if not a gourmet, when peeling eggs out, you will not distinguish the other American chicken eggs anywhere in Vietnam