Xintong Hnub Ci LED Galvanized Txoj Ncauj Ncauj Ncauj 20ft 25ft Ob txhais caj npab Hlau Teeb Hnub Ci Teeb Lub Teeb Hlau ncej
Xintong sab nraum zoov Hnav 6M 7M 8m 8m 8m
Ua ntawv thov rau cov khoom siv ntawm General-hom phiaj steel GB / T1591-2008, Q235, Q345 siv nyob rau hauv Suav teb.
Q235 khoom siv rau SS400, ASTM A36. Min paib kev ntxhov siab 235 MPa.
Q345 sib npaug rau S355jr. Gr 50. Min paib kev ntxhov siab 345 mpa.
Feem ntau peb siv Q235 rau cov teeb pom kev zoo.
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