• Single-side welding and double-side forming improve welding efficiency and quality2024-06-04
• Haihao Group is committed to the development of the FPSO market2024-06-03
• Exploring LNG and LNG vessels: Haihao Group’s contribution to marine pipeline systems2024-05-30
• Pressure pipeline welding quality control2024-05-29
• Haihao Group produces pipeline products to meet the needs of customers in Bangladesh2024-05-28
• Welding Guide: Mastering different metals2024-05-27
• Introducing P275NL1: The optimal material for low-temperature pressure vessels and boilers2024-05-22
• Common types of cracks in pressure vessels and pipelines2024-05-17
• Optimal cooling methods for representative steel grades2024-05-16
• Effect of deformation termination temperature on different steel types2024-05-15
• Russian customers ordered pipeline products2024-05-14
• Carbon steel and alloy steel nuts for elevating fastening solutions2024-05-11
• Haihao Group congratulates China shipbuilding on landmark LNG shipbuilding order2024-05-08
• Haihao Group congratulates the completion of Asia’s first cylindrical FPSO2024-05-07
• Mastering tungsten inert gas welding: Haihao Group’s expertise in precision welding2024-05-06
• Identifying cracks crucial steps in ensuring product integrity2024-04-25
• Introducing commonly used hardness testing equipment2024-04-22
• Introducing hardness testing for pipeline materials2024-04-19
• Pressure pipeline material impact testing2024-04-18
• Understanding ASTM specifications for steel and iron material pipeline fittings2024-04-17