Other brands can try Dandong bailing 6 10, Tianjin changhong 202 and Hefei lily of the valley 79 1, all of which are hidden tricks. You can try sharp hero 50, eternal life 500 and honorable crown 250 in the future; Hero with a big bag tip 345, Eternal Life 841; Embedded sharp eternal life 239, Lily of the Valley 7 18. These pens are cheap and fine, and they were once excellent in the province and the whole country.
A gold pen can go through more than a dozen strokes, and then …
An idea before 70 can be ignored.
Please adopt it.