Things You Don’t Know in a Mug Factory

[:en]Have you ever wondered how things are going on in a mug factory, what workers do every day, and what a mug looks like before it goes to a store? Now, follow Photo USA’s step to explore this amazing world![:zh]Have you ever wondered how thing’s going on in a mug factory? What do workers do every day? How a mug looks like before it goes to a store? Now follow Photo USA’s step to see this amazing world~[:]