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  Haihao Group Delivers High-Strength ASTM A694 F70 BX WN Flanges for a French Oil & Gas Project

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  Haihao Group to Join ADIPEC 2025 — Presenting Future-Ready Piping Solutions for Global Energy Projects

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  Haihao Group Delivers Spiral Wound Gaskets for UK Industrial Project

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  Haihao Group Supplies ASME B16.48 Spectacle Blinds and Spacer Rings to a Singapore Project

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  Haihao Group Supplies Klingersil C-4430 Flange Gaskets to Russian Client

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  Haihao Group Supplies ASME B16.5 and B16.48 Flanges to Russian Client

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  Haihao Group Supplies a Full Range of Carbon Steel Flanges to Qatar Client

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  Haihao Group Exports EN 1092-1 ASTM A516 GR70 Flanges to Vietnam

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  Haihao Group Supplies 24″ Paddle Blank Flange to Singapore Client

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  Haihao Group Supplies Super Duplex Stainless Steel WN Flange RTJ to Singapore

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  Haihao Group Supplies Pipeline Products Including WN Flanges, Bolts, and Spiral Wound Gaskets

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  Haihao Group Supplies High-Pressure ASME B16.5 A694-F65 WN RTJ Flanges to Singapore

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  Haihao Group Supplies EN1092-1 Plate Flanges and Blind Flanges to Vietnam

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  Haihao Group Delivers Spectacle Blind Flanges for Singapore Project

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  Haihao Group Supplies High-Pressure RTJ Flanges for International Client

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  Haihao Group Supplies High-Quality Flanges to UAE Client

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  Haihao Group supplies ASME B16.5 flanges to Singapore client

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  Haihao Group Ships A105 RF 150# Slip On Flanges to Brazil

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  Haihao Group Supplies A105N RF Weld Neck Flanges to Singapore

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  Haihao Group supplies ASME B16.48 spectacle blind flanges to Singapore

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  Haihao Group Supplies Slip On Flanges for Global Client Project

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  Haihao Group to Showcase Pipeline System Expertise at Gastech 2025 in Milan

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  Shipment of ASME B16.5 SS304 Blind Flanges to Our Valued Client

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  Haihao Group to Join OGA 2025 in Kuala Lumpur