• Haihao Group monitors changes in raw material market2024-03-05
• Exploring eddy current testing in pipeline systems2024-03-04
• Various reducing tee fittings produced by Haihao Group2024-03-01
• One-week review of the steel raw materials market (February 17-February 23)2024-02-29
• Factors affecting the corrosion resistance of stainless steel and treatment methods after rusting2024-02-28
• Exploring two technical paths for offshore wind energy development2024-02-27
• Take you through the various types of pipe elbows2024-02-26
• Haihao Group congratulates my country on its significant progress in offshore oil and gas engineering welding technology capabilities2024-02-23
• Enhance pipeline safety with ASME B16.9 A234 GR WPB pipe cap2024-02-22
• Haihao Group shares tips for assembling stainless steel threaded pipe fittings2024-02-21
• 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
• In early January, steel social inventories increased by 7.1% month-on-month2024-01-24
• 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