Awọn aṣelọpọ Ipari Igbẹhin Guardrail & Awọn olupese - China Guardrail Terminal End Factory

Ipari ipari

Ohun elo fun iyẹn jẹ pataki Q235B (S235Jr agbara ikore jẹ diẹ sii ju 235Mpa) ati Q345B (S355Jr agbara ikore jẹ diẹ sii ju 345Mpa).

ibeere apejuwe awọn