Glass bottle unify the whole world
The biggest advantage of the glass bottle is transparent, good barrier property, low price, easy to reuse. In planned economy age, one of the production capacity is not very rich, also can the idea of province is dominated people's thought in the soy sauce, vinegar can be liquid condiment, this kind of spice and a lot of kinds, such as cooking wine, seasoning oil, etc. Glass bottles used to unify the packaging of soy sauce, vinegar, we can say, since liquid condiment is one of the last few holdout of glass container.