XINTONG Hnub Ci LED Galvanized Txoj Kev Teeb Ncej 20ft 25ft ob sab caj npab steel teeb hnub ci txoj kev teeb hlau ncej
XINTONG Sab nraum zoov Teeb Ncej 6m 7m 8m 9m 10m 12m ob sab caj npab nqe galvanized steel hnub ci txoj kev teeb ncej ncej teeb ncej
Siv rau cov khoom siv dav dav hlau GB / T1591-2008, Q235, Q345 siv hauv Suav teb.
Q235 khoom siv rau SS400, ASTM A36. Min Yield Stress 235 Mpa.
Q345 sib npaug rau S355JR. Gr 50. Min Yield Stress 345 Mpa.
Feem ntau peb siv Q235 rau teeb pom kev zoo ncej.
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