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Carbon and carbon-manganese steel seamless steel tubes and pipes for ship
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Seamless steel tubes for structural purpose
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Cold-drawn or cold-rolled precision seamless steel tubes
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Seamless steel tubes for high-pressure for chemical fertilizer equipements
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Seamless steel tubes and pipes for high pressure boiler
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Seamless steel tubes for low and medium pressure boiler
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Seamless steel tubes for liquid service
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Seamless steel tubes for petroleum cracking
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Seamless medium carbon steel boiler and superheater tubes