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  Two-sided submerged-arc welding spiral steel pipe  
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  High-frequency ERW Pipe  
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  API5CT oil pipes  
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     Product List
Product Name
Spec
Unit
Memo
Two-sided subme...
φ219-φ...
Ton
In the spiral s...
Anti-wear-resis...
DN37-D...
m
Characteristics...
High-frequency ...
φ89-φ6...
Ton
Implementation ...
Precision Seaml...
φ15-φ2...
Ton
Implementation ...
API5CT oil pipe...
φ139.7...
Ton
Material: J55 \...
API of the oil ...
φ356-φ...
Ton
Implementation ...
Thin-walled sea...
φ80-φ4...
Ton
Thin-walled ste...
Thick-walled se...
φ38-φ7...
Ton
20 # steel thic...