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chongqing,China
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ISO9001 GOST 2mm Seamless Steel Pipe Seamless Alloy Steel Pipe Mirror Finished
ST35 - ST52 Low Pressure PipeHydraulic Cylinder Honed Tube For Fluid Transport
ASTM GB JIS Seamless Steel Pipe 5.8m Round Anti Corrosion Steel Pipe
Seamless Astm A53 Steel Pipe API 5L 4 Inch 6 Inch Steel Pipe BS 1387
12M 6.4M 6M Water Pipe Low Pressure Hot Rolled Steel Pipe DN8 To DN600
6m/5.8m Or Customized 13.7 - 610 Mm, DN8--DN600 Seamless Steel Pipe
API ASTM Bs DIN GB JIS 10#-45# Q195-Q345, ST35-ST52 Seamless Steel Tube
ASTM A53 Gr.A, BS1387 Anti Corrosion Coated Galvanized Seamless Steel Pipe
API, Bsi, ISO9001 45# 20# ST52Thick Wall Seamless Steel Pipe
13.7 - 610 mm, DN8--DN600 304 316 904l Stainless Steel Seamless Pipe
API 5L GRB Carbon Seamless steel Tubing Manufacturers In China SCH40 80
GB/T 9711.1-1997, GB/T 3091-2001, JIS G3444-2006 Seamless Steel Pipe