Public Tender for the General Contracting of PC Works for Research and Demonstration of Key Technologies for Off-grid Hydrogen Production via Photovoltaic-Energy Storage-Hybrid System (Hydrogen Production in an Integrated Engineering Framework) by Guohua Investment Guohua (Ningxia) New Energy Co., Ltd
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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 Safety Discussion】Hidden Dangers Around Us – Floors and baseboards in warehouses storing corrosive materials that lack anti-corrosion materials https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722628 (Source: HaiChuan Chemicals Forum (HuaHaiChuanLiu hcbbs))
【Haichuan Building Drawing Review】--Compilation of Engineering Drawing Review Cases! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722630 (Source: Haichuan Chemical Industry Forum (Hua Hai Chuan Liu hcbbs))
【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 Hai Chuan Liu hcbbs))
【Haichuan Chemical Valve Management】Series of Posts—Proper management of valves is the foundation for stable operation. Everyone is welcome to share and exchange ideas! ! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5719309 (Source: Haichuan Chemical Industry Forum (Hua Hai Chuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】3147-2026: Guangxi Petrochemical’s SSBR with dual-functional groups is now in operation; domestic high-end tire rubber has achieved technological breakthroughs and industrial upgrading. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722409 (Source: Huchuan Chemical Forum (Hua Hai Chuan Liu hcbbs))
【History of Haichuan Chemical】In September 1976, the Liaohe Fertilizer Plant was completed and put into operation. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723047 (Source: Haichuan Chemical 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 photoelectrochemical ammonia synthesis was successfully completed on a pilot scale in Yulin. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722543 (Source: HCHBBS Chemical Forum)
【In-depth Discussion on HaiChuan’s Modular Installation】Modular installation of the first large-scale steel structure for the 300,000 tons/year high-pressure low-density polyethylene plant in the Tarim Phase II ethylene project https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723159 (Source: HaiChuan Chemicals 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))
【History of Haichuan Chemical】The defunct fertilizer factory – Shandong’s first plant with an annual production capacity of 3,000 tons of synthetic ammonia – Linqu Fertilizer Factory https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723249 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))