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              Stainless steel sanitary valve
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              Seamless carbon steel pipe/SMLS pipe
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              Stainless steel seamless pipe
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              Electric resistance welded ERW steel pipe
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              Longitudinally submerged arc welded LSAW steel pipe
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              Spiral submerged arc welded SSAW steel pipe
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              Electric/Hot-dip galvanized steel pipe
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              Structural steel pipe/tube for construction
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              304/316 stainless steel welded pipe
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              Carbon steel butt-welding pipe fitting
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              Forged steel high pressure socket welded pipe fittings
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              Forged steel high pressure threaded pipe fittings
