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Shandong Mannesmann Metal Products Co., Ltd.
products: Seamless Steel Pipe, Welded Pipe, Alloy-Steel Tube, Galvanized Pipe, Petroleum Pipeline
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Widely used ASTM JIS DIN 2391 PART 2 ST30Si ST30Al ST35 ST45 ST52 Precision seamless steel tube
Factory direct sale price favorable carbon seamless steel pipe ASTM A106b cold rolled precision steel pipe