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  Successful delivery of ASME B16.9 A234 WPB pipe caps to Malaysia

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  ASME B16.47 Class 150 Series A Flange (Weld Neck and Blind Flange)

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  ASME B16.47 Standard-Large Diameter Steel Flanges (NPS 26 Through NPS 60)

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  Overview of ASME B16.11 ASTM A105 Galvanized Class 3000 THD Caps

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  How to control zinc coating thickness in the hot-dip galvanization process for pipe fittings?

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  The importance of hot-dip galvanization for pipe fittings

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  High-quality ASME B36.10 ASTM A53 Gr.B galvanized ERW pipe delivered by Haihao Group

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  Introduction to A420-WPL6 low-temperature carbon steel

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  Delivering customized LDPE pipe end caps for our Indonesian client

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  What is the HIC testing process for weldolet？

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  MSS SP-97 ASTM A105 BW forged weldolet for Iranian client

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  Understanding ASME B16.9 A860 WPHY60 6″ x 3″ reducing tees

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  Understanding the difference between reducing tee and straight tee in piping systems

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  Understanding the difference between seamless and welded tees in manufacturing

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  The role and importance of sandblasting treatment for elbows

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  The difference between anchor flanges and weld neck flanges

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  Strict quality inspection for half couplings ordered by Iranian client

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  Introduction to ASME B16.11 half couplings ordered by our Iranian client

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  What does pipeline coating quality inspection include?

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  Haihao Group welcomes you to visit us at ADIPEC in Abu Dhabi

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  Haihao Group supplies U channel earth beam uprights for UK client

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  The difference between pipe caps and blind flanges

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  EN 10253-3 316L equal tees: A high-quality solution for pipe systems

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  Product overview and material characteristics of ASME B16.9 A106 Gr.B 180° SR elbows