• Haihao Group shares with you the CSPI China steel price index weekly report2024-02-20
• Haihao Group solved Indonesian customers’ demand for customized steel plates and was recognized by customers2024-02-19
• Haihao Group congratulates COOEC on the new milestone of FPSO P79 project2024-02-18
• An article to take you through pressure pipeline system and their characteristics2024-01-29
• Unveiling the diversity of pipe fitting connection methods2024-01-26
• Haihao Group powers forward in marine pipeline systems2024-01-25
• Haihao Group brings you a summary of last week’s raw material market2024-01-22
• Haihao Group warmly congratulates Shanghai COSCO shipping heavy industry on its new achievement2024-01-18
• Dynamic analysis of the black metal raw material market by Haihao Group2024-01-17
• Haihao Group provides emergency solutions for the piping system industry2024-01-16
• Haihao Group assisted the successful completion of the Ravilawi project in Indonesia2024-01-15
• Haihao Group’s rapid response to customer demand for pipeline products2024-01-12
• Classification introduction of steel plates2024-01-11
• Classification of pipe fitting hardness testing2024-01-10
• Introduction to the types of quenching media for heat treatment of pipe fittings2024-01-08
• Mastering heat treatment techniques – ensuring superior performance in piping components2024-01-05
• Haihao Group supports the Arctic LNG No. 2 project and supplies pipeline system supplies that meet ASME standards2024-01-02
• Key steps for steel pipe quality inspection to ensure excellent quality2023-12-29
• The important role of thread protectors in seamless steel pipes2023-12-28
• Haihao Group congratulates CNOOC’s offshore oil engineering on obtaining new FPSO patent2023-12-27