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ASTM A106 Black Carbon Seamless Karfe Tubes don aikace-aikacen sabis na zazzabi iri-iri
by admin on 23-05-12
A Botop, an karrama mu zama reshe na kasa da kasa na Hebei Allland Steel Tube Group, kuma muna kuma adana nau'ikan bututun ƙarfe marasa ƙarfi don biyan bukatun abokan ciniki....
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