• 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
• 6″ STD Carbon Steel Elbows Shipped to Russian Client for Pipeline Upgrade2025-06-25
• What’s the difference between a bushing and an adapter?2025-06-19
• What is used to close the end of a pipe?2025-06-18
• What is the difference between a pipe plug and a pipe cap?2025-06-17
• Can You Mix Galvanized and Stainless Steel Fittings? A Critical Look at Compatibility2025-06-16
• The precision of Haihao Group’s high-strength bolts and fasteners meets the demands of Malaysian customers2025-06-05
• Can Two 45 Degree Elbows Replace a 90 Degree Elbow in Piping Systems?2025-05-29
• Haihao Group delivered ASME B16.9 ASTM A403 WP 316/ 316L pipe fittings to Singaporean customer2025-05-26