Announcement of the winner for Bid Section 1 of the engineering design project for the adaptive modification of the ultra-low density polyethylene production line at the high-density polyethylene plant in the Resins Division of Qilu Petrochemical
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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 Industry】Four factories and two institutes, Fushun Machinery and Refining Construction, Petroleum Institute... — Why is Fushun known as the cradle of China’s refining industry? (IV) https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722275 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Special Equipment Safety Management and Standardization】Summary Post! Constantly being updated – feel free to communicate! ! ! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5718553 (Source: Haichuan Chemical Industry Forum (Hua Hai Chuan Liu hcbbs))
【HaiChuan Safety Discussion】Compilation of Hidden Dangers Around Us – with pictures and texts; everyone is welcome to join the discussion: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5705518 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】The world’s first 50,000-ton PPC plant as part of the 3141-2026 Lianhong Gerun (Shandong) integrated project was successfully put into operation. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722304 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Haichuan Illustrated Chemical Equipment】Series Summary Post–Getting to Know Equipment, Understanding Equipment, Making Good Use of Equipment https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719196 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【HaiChuan Chemical Valve Management】Series Posts -- Common Valve Failures, Causes, and Repair Methods https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722503 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Common Issues in Haichuan Pipeline Design】--Understand the “four key elements” for valve installation to avoid having to make modifications through the three inspections and four confirmations! ! ! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722620 (Source: Haichuan Chemical Industry Forum (Hua Hai Chuan Liu hcbbs))
【Haichuan Teahouse】Wild Vegetable Series – Beautiful and delicious wild vegetables from the southwest region: Deer-ear leek https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722814 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu 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))