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  ASME B16.11 Threaded Full Couplings, Threaded Half Couplings

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  ASME B16.11 Threaded Crosses

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  ASME B16.11 Threaded Tees

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  ASME B16.11 Threaded Street Elbows

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  Haihao Group’s galvanized pipe clamps for singapore client

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  Haihao Group takes you to understand crack prevention and grain size control in austenitic metal forging

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  The heat treatment process of seamless steel pipes

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  Crucial breakthroughs in the forging process of large forgings

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  Haihao Group welcomes russian client for custom stainless steel forgings

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  Haihao Group’s large forgings undergo rigorous inspection

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  Haihao Group’s leading processes for different forged steel components

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  ASME B16.11 Threaded 45° Elbows, Threaded 90° Elbows

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  ASME B16.11 Socket Welding Couplet

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  ASME B16.11 Socket Welding Caps

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  ASME B16.11 Socket Welding Bosses

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  ASME B16.11 Socket Welding Couplings

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  Understand the pipe end bevels and its processing methods

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  Haihao Group manufactures MSS-SP-75 ASTM A234 WPB tees and concentric reducers for customers in India

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  ASME B16.11 Socket Welding Cross

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  ASME B16.11 Socket Welding Tee

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  ASME B16.11 socket welding 45° elbow, socket welding 90° elbow

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  Haihao Group secures supply contract for ASME B16.11 equal tee fittings with Italian client

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  Seamless oil tubing solutions by Haihao Group: your one-stop pipeline expert

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  Haihao Group delivers top-quality european standard pipe fittings to italy