There was no one steel

Steelmax

티타늄의 함유량을
Minimum  0.007%를 따지고.
허용오차 0.005 mm 규정을 보면
철강재의 허술함이라고는 눈을 씻고 찾아봐도 없습니다

There was no one steel
This website uses cookies to improve your experience. By using this website you agree to our Data Protection Policy.
Read more