• EN 10253-2 SMLS reducing tees for Singapore customer2025-01-13
• EN 10253-2 P265GH Seamless Concentric Reducers for High-Pressure Systems2025-01-10
• Ensuring quality with non-destructive testing: Haihao Group’s commitment to excellence2025-01-08
• Differences between socket weld fittings and threaded fittings2025-01-07
• Differences between PE coating and 3PE coating in pipeline corrosion protection2025-01-06
• Haihao Group successfully produces ASME B16.9 45° SR elbows for Singapore client2024-12-25
• Metallographic testing for ferrite content in stainless steel2024-12-24
• Haihao Group congratulates Qidong COSCO marine engineering on the successful delivery of SBM Mero 4 FPSO2024-12-19
• Haihao Group supports infrastructure projects under the belt and road initiative2024-12-18
• How many types of offshore drilling platforms are there?2024-12-16
• Congratulations on the successful launch of China’s first large-scale FLNG!2024-12-13
• Is the all-electric FPSO the future of offshore oil production?2024-12-11
• Mechanical properties of metal materials and their testing methods2024-12-09
• Galvanized bolts, nuts, and non-asbestos gaskets ready for delivery2024-12-06
• Hot-dip galvanized 45-degree long radius elbows delivered to domestic customer2024-12-05
• Do you know how to prevent and control intergranular corrosion?2024-12-04
• ASME B16.9 A234 WPB 45-degree long radius elbows for domestic customer2024-12-02
• Haihao Group supplies high-quality ASME B36.10M A-335 Gr.P11 pipe nipples to Singapore2024-11-29
• ASME B16.9 ASTM A815 UNS S32750 seamless 90 degree elbows delivered to Singapore2024-11-28
• High-performance ASME B16.9 A815 Gr.S31803 seamless concentric reducers delivered to UAE2024-11-26