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On February 12, Dayang Biology announced that at its eighth meeting of the sixth term, held on December 11, 2025, a resolution was passed to plan the construction of new facilities for producing 2,000 tons per year of special polymer materials such as polyether ether ketone, as well as the key intermediate 4,4′-difluorobenzophenone; these plans are still pending approval by the shareholders’ meeting. The total investment for the project is 193.25 million yuan, funded through both own capital and bank loans. The construction period is 30 months, and the site is located in the Dayang area of Jiande High-Tech Industrial Park. This project can break through the blockades in overseas industrial chains and fill the gaps in market capacity, although the company has also pointed out risks related to the market, technology, and costs.
【Ten Years of Rapid Development in Chemical Engineering Equipment】Major breakthrough achieved in 2898-2025: «Seamless alloy steel pipes for high-temperature quenching heat exchangers» https://bbs.hcbbs.com/thread-5708171-1-1.html (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】Major breakthrough achieved in 2898-2025: «Seamless alloy steel pipes for high-temperature quenching heat exchangers» https://bbs.hcbbs.com/thread-5708171-1-1.html (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】2895-2025: The Sixth Academy of Aerospace Engineering built China’s first commercial liquid hydrogen refueling station, which was officially put into operation in Panzhihua. https://bbs.hcbbs.com/thread-5708004-1-1.html (Source: Haichuan Chemical Industry Forum (HCBBS))
【HaiChuan Safety Discussion】Hidden Dangers Around Us – Damaged Insulation Layers of Pipelines https://bbs.hcbbs.com/thread-5708255-1-1.html (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2897 to 2025: CNOOC’s equipment development efforts led to the successful application of multi-functional robots for coating treatment of crude oil storage tanks. https://bbs.hcbbs.com/thread-5708161-1-1.html (Source: Haichuan Chemical Industry Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Engineering Equipment】China’s first zero-carbon data center that makes use of pressure energy was officially put into operation in Shaoxing, Zhejiang, from 2874 to 2025. https://bbs.hcbbs.com/thread-5707292-1-1.html (Source: HCBBS Chemical Forum)
【Ten Years of Rapid Development in Chemical Equipment】2899-2025: Hengyang Valin Steel Pipe collaborates with Danielei to build the world’s largest hot continuous rolling line for seamless steel pipes https://bbs.hcbbs.com/thread-5708317-1-1.html (Source: Haichuan Chemical 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/thread-5705518-1-1.html (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2897 to 2025: CNOOC’s equipment development efforts led to the successful application of multi-functional robots for coating treatment of crude oil storage tanks. https://bbs.hcbbs.com/thread-5708161-1-1.html (Source: Haichuan Chemical Industry Forum (HCBBS))
The 【Haichuan Equipment Guessing】 series will continue to be updated in 2027 – all Haiyu friends are welcome to participate actively! https://bbs.hcbbs.com/thread-2079686-1-1.html (Source: Haichuan Chemical Industry Forum (Hua Hai Chuan Liu hcbbs))