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  Haihao Group to Showcase Pipeline Solutions at Gastech 2025 in Milan

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  Haihao Group Supplies Custom Forged Tee Fittings to Indonesia

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  Haihao Group invites you to visit our booth at OGA 2025 in Kuala Lumpur

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  Precision Hot-Dip Galvanized Pipe Fittings Shipped to India

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  Haihao Group supplies high-quality weld pipe fittings to Pakistan project

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  180° Long Radius Elbows Shipped to Singapore Client for Pressure Pipeline Project

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  Haihao Group Ships Pipeline Components to Côte d’Ivoire for Energy Infrastructure Project

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  MSS SP-97 ASTM A182 GR.316/ 316L Sockolet Supplied by Haihao Group for Singapore Client

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  Understanding Flashing and Cavitation in Control Valves: What Every Engineer Should Know

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  Essential Guidelines for the Selection, Use, and Maintenance of Valves in Coal Chemical Applications

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  Haihao Group completed an urgent order of MSS SP-97 F51 Weldolet for an Italian customer in just 7 days

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  Understanding Valve Leakage: Causes, Solutions, and Preventive Measures

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  Common Causes of Valve Seat Damage and How to Prevent Them

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  Quality Inspection in Action: Haihao Group Ensures Precision and Compliance for SS304 Butt-Weld Fittings and Flanges

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  When to Use a Long Radius Elbow (LR Elbow) for Optimal Piping System Performance?

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  ASTM A860 WPHY 52 24” 90 Degree Long Radius Elbows Supplied to Singapore LNG Project

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  What is the difference between ASME B16.11 and ASME B16.28 fittings?

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  Comprehensive Guide to Industrial Valve Pressure Testing Methods

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  Cladded 45° Long Radius Elbow A234 WPB With Inconel 625 For Corrosive Media Piping Systems

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  The specifications, applications and benefits of GOST 8734-75 seamless steel pipe (Steel 20)

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  How to calculate bend radius of elbow fittings: A detailed guide for piping engineers

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  Haihao Group supplied MSS SP-97 A182 F316 45° socket weld latrolets to Singaporean client

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  How to select the right butterfly valve: Key rules and steps

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  Types and Selection Guide for Pneumatic Valve Accessories