Kev paub

• 25/Sep2025

  CU thiab CU thiab CU thiab CE CU thiab CU hauv cov txheej txheem xeb ntawm co...

  CU thiab CU thiab CU thiab CE CU thiab CU hauv cov txheej txheem xeb ntawm cov huab cua ua si?

• 25/Sep2025

  Dab tsi yog qhov sib txawv ntawm cov qoob loo kom muaj zog ntawm Astm A588 th...

  Dab tsi yog qhov sib txawv ntawm cov qoob loo kom muaj zog ntawm Astm A588 thiab Q355Nh?

• 25/Sep2025

  Yuav ua li cas nrawm qhov kev tsim cov khaubncaws sab nraud ntawm Q295NH sab ...

  Yuav ua li cas nrawm qhov kev tsim cov khaubncaws sab nraud ntawm Q295NH sab nraum zoov duab kos duab?

• 25/Sep2025

  Dab tsi yog qhov yuav tsum tau qis - qhov kev cuam tshuam kub sai ntawm Q355N...

  Dab tsi yog qhov yuav tsum tau qis - qhov kev cuam tshuam kub sai ntawm Q355NHub huab cua hlau ntawm -20 degree?

• 25/Sep2025

  Dab tsi yog cov txheej txheem pom zoo vuam rau Q355NH steel hauv qis-} Qhov k...

  Dab tsi yog cov txheej txheem pom zoo vuam rau Q355NH steel hauv qis-} Qhov kev siv kub?

• 24/Sep2025

  Dab tsi yog qhov tseem ceeb siv ntawm Q355gnh siab - Lub zog huab cua hluav t...

  Dab tsi yog qhov tseem ceeb siv ntawm Q355gnh siab - Lub zog huab cua hluav taws xob hlau zoo li cas?

• 24/Sep2025

  Puas muaj kev vuam vuam tshwj xeeb rau Q355NH steel hauv qis-} kub daim ntawv...

  Puas muaj kev vuam vuam tshwj xeeb rau Q355NH steel hauv qis-} kub daim ntawv thov?

• 24/Sep2025

  Qhov kub nyhav npaum li cas cuam tshuam rau cov corrosion tsis kam ntawm Q355...

  Qhov kub nyhav npaum li cas cuam tshuam rau cov corrosion tsis kam ntawm Q355NH ya dav hlau hlau?

• 24/Sep2025

  Dab tsi yog cov ntawv thov ntawm Q355Nej ya dav hlau hlau nyob rau hauv cov c...

  Dab tsi yog cov ntawv thov ntawm Q355Nej ya dav hlau hlau nyob rau hauv cov chaw kub sib txawv?

• 24/Sep2025

  Ntawm dab tsi kub yog Q355Nej huab cua hlau muaj qhov zoo tshaj plaws corrosion?

  Ntawm dab tsi kub yog Q355Nej huab cua hlau muaj qhov zoo tshaj plaws corrosion?