Generally speaking, corrugated paper can be classified according to its type: A, C, B, E and their combinations, such as AB, BC, BBC, etc. However, in today's market, there are already finer "F" bars...
Now people's life is so comfortable. If we don't want to cook, we can order takeout directly and send the takeout box to our home. Generally speaking, it can be heated in the microwave oven. If the...