The lifting operation of the upper and lower sections of the cold box in the air separation and air compression unit at Changqing Petrochemical Company was successfully completed
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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 --------------------------------------------------
【History of Haichuan Chemical】--60 Years of China National Chemical Engineering 14th Construction Company: Milestones | “Our” Years 2006–2007 https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5725128 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】-- The stem of the gate valve connecting the outlet pipeline and the inlet pipeline of the hydrogenation unit is installed facing downward. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5725261 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】Disruptive transformation from 3182 to 2026: The industry’s first intelligent upgrade project for 5.5-meter ramming coke ovens’ mechanical equipment https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5725339 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】3183-2026: China’s First Large-Scale Project for the Extraction of Phenol from Coal Tar – Xinjiang Xuanli’s 100,000 tons/year green extraction project for tar phenol, undertaken by CCCC. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5725540 (Source: Haichuan Chemical Forum (HCBBS))
【HaiChuan Safety Discussion】Hidden Dangers Around Us – Lack of Reliable Fixing Supports Under Suspended Platforms https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5725606 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【History of Haichuan Chemical】The Defunct Fertilizer Plant – The Chengbu Nitrogen Fertilizer Plant That Met the Fertilizer Needs of the Rural Areas https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5725610 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】3185-2026: China’s first large-scale communication and command vehicle for hazardous materials rescue was put into use at Daqing Petrochemical Company. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5725686 (Source: Haichuan Chemical Industry Forum (HCBBS))