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Which is better, Kungang or Yukun steel bar?

Yukun steel bar is good.

1. Except for the difference between steel seal and signboard, most of the steel bars in Kungang are darker than those in Yukun Steel, and the surface of Yukun Steel is relatively smoother.

2. Kungang Company is a state-owned enterprise, and all the steel bars produced have "KG" steel seal. Short quenching time and insufficient hardness. Yukun Steel should be regarded as a private enterprise, and the steel bars produced are all stamped with the "YKG" seal. Long quenching time and good hardness.