Gnee Steel (tianjin) Co, Ltd
+8615824687445
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SPCEF frèt woule galvanize bobin asye

SPCEN frèt woule bobin asye fini: Genaral, klere, mat ak glas fini. Byenveni nan rechèch si w enterese achte Q/BQB 402-1999 SPCEF nou an asye galvanised woule frèt. SPCC ak SPHC se senbòl ki itilize pa Endistriyèl Japonè estanda yo pou defini fèy asye. Diferans prensipal la ...

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