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ningbo,China
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GB/T 18984 Cold Drawn Preservative Seamless Steel Tubes For Low-Temperature
GB/T 17396 27SiMn Hot Rolled Seamless Steel Tubes For Hydraulic Pillar Service
ASTM B407 Inconel 800H Nickel Iron Chromium Alloy Seamless Steel Tube For Heat
GB/T 20409 Seamless Steel Tube Seamless Multi Rifled Steel Tubes For High
ASTM A519 1010 1020 1026 Carbon Steel Seamless Tube Cold Rolling For Boiler
GB/T 24590 Precision Seamless Steel Tube Enhanced Tubes for Efficient Heat
ISO683-17 Cold Drawn Seamless Steel Pipe Bearing Steel Tube GCr15 100Cr6
Astm A321 Hot Rolled Steel Tube , Quenched Tempered Carbon Steel Bar 6.35 - 241
GB 28883 Seamless Steel Tube Composite Steel Plastic Galvanized Seamless Steel
GB 28884 Seamless Steel Tube Cold drawn large diameter Seamless Steel Tubes for
Hot Rolled St33.2 DIN 2440 En10255 Seamless Steel Tubes
GB/T 30070 Seamless Steel Tube Seamless Alloy Steel Pipes For Seawater Service