Calligraphy competition brand

We used a 0.5 Mitsubishi carbon pen for the senior high school entrance examination. The midfield is full of ink. But if you boycott Japanese goods, forget it. At the same time, it is best to use a carbon pen to ensure that the scanning is not wrong. Of course, true colors are relatively cheap and easy to use. I just bought too many fake pens with real colors. It is often said that the beads of the refill have dropped. True colors are still quite useful. Then the morning light. Also, there is a German brand 2B pencil that is too fake. It is best to use Chinese pencils.