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Урд цайрдсан ган хоолойн үйлдвэр ба ханган
Product Pre Galvanized Steel Pipe Specification Material Carbon Steel OD: 20-113mmThickness:0.8-2.2mm Length: 5.8-6.0m Grade Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B Surface Zinc coating 30-100g/m2 Usage Ends Plain ends Greenhouse steel pipeWater delivery steel pipe Or Th...