The Saint-Bollée valve, a low-temperature DBB overhead ball valve, successfully passed the acceptance inspection for the Huisheng Clean Energy project
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The 25th National \"Safety Production Month\" in 2026: Everyone talks about safety, everyone knows how to handle emergencies; identifying and addressing risks and hazards --------------------------------------------------
【Haichuan Teahouse】12.9 million candidates have arrived on the battlefield! ! Wish the students success and top rankings! Let’s all come and cheer on the students! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722667 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Processing Equipment】3145-2026 plays a role in the construction of China’s first long-distance green hydrogen transmission pipeline; CIMC Cryo has developed its own large-scale skid-mounted hydrogen pipeline compressors. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722375 (Source: Haichuan Chemical Industry Forum (HCBBS))
【Haichuan Chemical Valve Management】Series of Posts—Proper management of valves is the foundation for stable operation. Everyone is welcome to share and discuss! ! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719309 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【HaiChuan Chemical Valve Management】Series Posts–Key Illustrations of the Technical Specifications for Low-Temperature Hydrogen Valves per B/T15277 https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722736 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】Major breakthroughs from 3148 to 2026! The world’s first 100-ton-scale integrated industrial demonstration project for photocatalytic ammonia synthesis was successfully completed on a pilot scale in Yulin. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722543 (Source: HaiChuan Chemical Industry Forum (HuaHaiChuanLiu hcbbs))
【HaiChuan Safety Discussion】Hidden Dangers Around Us – Unclear markings on valve switches, unknown open/closed status https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722956 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】3150–2026 – Breaking foreign technological monopolies: Jinmeng Juyi Materials’ plant capable of producing 30,000 tons per year of high-end domestic polyester CHDM has gone into operation. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722598 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】From 3155 to 2026: The world’s first 550kV gas-insulated switchgear (GIS) without sulfur hexafluoride (SF6) was successfully put into operation in power grids. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722952 (Source: Haichuan Chemical Industry Forum (HCBBS))
【HaiChuan Safety Discussion】Compilation of Hidden Dangers Around Us – Illustrated with photos and texts; everyone is welcome to participate in the discussion. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5705518 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
[Common Issues in Haichuan Pipeline Design] – A compilation post; images and text are being updated. Feel free to join the discussion: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5705828 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))