GNEE Steel Tube Group Participates in Indonesia Steel Fair
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ASTM A335 P11 Round Steel Pipe+
API 5L X46 PSL2 Seamless Carbon Steel Pipes+
ASTM A335 P22 Seamless Alloy Steel Pipe+
API 5CT Oil Tubing+
Seamless API 5L X70 Line Pipe+
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Q235B SSAW Pipe+
