• Haihao Group Ships MSS SP 97 Weldolets to Singapore2025-09-08
• Haihao Group Ships A105N Weld Neck Flanges to International Client2025-09-02
• Haihao Group delivers high-standard pipeline fittings to Russian client2025-08-28
• Haihao Group Ships A234-WPB Butt-Weld Pipe Fittings to Overseas Client2025-08-27
• Shipment of ASTM A234 WP11 90° Elbows to Spain2025-08-26
• Haihao Group Invites You to Visit Us at Gastech 2025 in Milan2025-08-25
• Haihao Group Supplies ASTM A234 WPB Pipe Fittings to India2025-08-21
• Haihao Group to Showcase Pipeline Solutions at OGA 2025 in Kuala Lumpur2025-08-18
• ASME B16.9 A420 WPL6 Seamless Fittings for Low-Temperature Pipelines2025-08-13
• Haihao Group delivers DIN 2605-1 TYPE 3 seamless elbows to Singapore Client2025-08-06
• Delivery of ASTM A194 Grade 2H Hex Nuts with Hot-Dip Galvanizing to Singapore2025-08-04
• Haihao Group supplies high-quality seamless tees to Italian client with full inspection compliance2025-07-28
• Haihao Group Supplies Full Range of EN 10241 SUS304 Threaded Pipe Fittings to International Client2025-07-21
• Haihao Group Supplies 90 Degree Long Radius Elbows with Full Certification for UAE Client2025-07-18
• Haihao Group Supplies Seamless Pipe Fittings to UK Client — Certified ASTM A234 WPB and BS EN 10253-2 P265GH Standards2025-07-15
• Haihao Group Supplies EN 1092-1 Type 11 Duplex Flanges and Seamless Tube to Poland2025-07-11
• What is a spiral wound gasket? A complete guide by Haihao Group2025-07-04
• Precision Production of Seamless Carbon Steel Elbows for Italian Client2025-07-03
• Haihao Group Delivers GOST 20# Carbon Steel Tees & Reducers to Singapore Client2025-07-01
• Stainless Steel Butt-Weld Fittings and WN Flanges Manufactured by Haihao Group for High-Performance Industrial Applications2025-06-27