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Fa'ailoga oloa

Saina Yuantaiderun Black O'o'o Vaega Sipi Uamea...
OCTG paipa ERW OCTG paipa
API 5L paipa suauu lapotopoto paipa u'amea lapotopoto omo sec...
Smls Uamea Laina Paipa Api 5L X42/X46/X60/X70 Laina Paipa
Tianjin carbon uamea API 5L faagaau lipine
Pipa u'amea ta'amilomilo lapoa lapoa Q235B u'amea u'amea ...
q345d 16mn lapoa lapoa mafiafia puipui lapisi li'o p...
Fa'atau oloa si'i atoa uamea lapotopoto paipa paipa yuant...
u'u vevela u'amea lapotopoto paipa u'amea gaosi yua...
faagaau u'amea lapotopoto u'amea vevela
ERW paipa uamea falegaosimea Saina yuantaiderun(e mafai oem od...

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Fa'ameamea uamea ta'avale vevela
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ASTM A36 Ss400 Q235 Q345 St37 S235jr S355jr La'au Maualalo Me'a Lo'a u'amea u'amea.

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