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According to news from Hualu Hengsheng in June 2026, the company’s methyl ethyl carbonate production facility is scheduled to be shut down for maintenance by the end of June, with the time of resumption yet to be determined. The methyl ethyl carbonate plant of Hualu Hengsheng uses DMC (dimethyl carbonate) and ethanol as raw materials to produce methyl ethyl carbonate through transesterification technology.
【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 History】Summary Post--Viewing Development through History! Constantly being updated! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5718076 (Source: Haichuan Chemical Industry Forum (Hua Hai Chuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】3170-2026: Chongqing develops intelligent-controlled hydraulic diaphragm pumps for water pumps – filling a gap in China and setting a new standard for slurry transportation. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724171 (Source: Haichuan Chemical Industry Forum (HCBBS))
【In-depth Discussion on Modular Installation by HaiChuan】Modular construction of the steel structure for Tunnel 3 in Nantong Blue Sea New Materials’ FDPE plant – achieving one-time transportation, one-time installation, and successful completion in just one attempt. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723569 (Source: HaiChuan Chemical Forum (Hua Hai Chuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】The 400,000-ton/year acrylonitrile plant at Zhenhai Refining & Chemical has been operating stably for one year, from 2017 to 2026. The independently developed S-ANT acrylonitrile technology package has been successfully industrialized. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724666 (Source: HaiChuan Chemical Industry Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Processing Equipment】China National Petroleum’s first project of this kind – the 50,000 tons per year 1-hexene/1-octene co-production facility at Daqing Petrochemical – was successfully completed. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723648 (Source: Haichuan Chemical Industry Forum (HCBBS))
【3D Process Flow】--Basic Theoretical Knowledge of DMTO Methanol-to-Olefins https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724818 (Source: HaiChuan Chemical Industry 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))