Rendering of the Luoyang Million Tonne Ethylene Project | Source: Luoyang Network Media Group via QQ Browser, Tencent Channel (Mar 29, 2023)

The Luoyang Million-Tonne Ethylene Project (洛阳百万吨乙烯项目) is a major downstream expansion of the Sinopec (Henan) Refining & Chemical Co. Ltd., with a total approved investment of ¥27.8 billion (~US$3.9 billion). The project is based on feedstocks (naphtha, refinery gas, and LPG) supplied directly by the adjacent Henan Refinery and Chemical Complex (formerly named Luoyang Petrochemical Complex), enabling a tightly integrated refining-to-chemicals configuration. It is positioned as a "Green Petrochemical Advanced Materials Industrial Base" aimed at reducing China's import dependence on high-end petrochemical products such as metallocene polyethylene (mLLDPE), photovoltaic-grade EVA, reactor-alloy polypropylene (impact copolymer), and SEBS thermoplastic elastomers.

The project was confirmed as using predominantly domestic (Sinopec proprietary) technologies, reflecting China's technology-sovereignty strategy in the petrochemical sector. The high-pressure LDPE/EVA units are the notable exception, using imported high-pressure tubular/autoclave process technology — specifically LyondellBasell's Lupotech T process for the tubular LDPE/EVA line.

The project is behind its original December 2025 completion schedule. As of the SEG 2025 Annual Results announcement (March 2026), the ethylene unit was described as still being "in the stage of basic design" for some sub-components, while the auxiliary units had entered the equipment steel structure installation stage with an overall project progress of approximately 50%. The refinery supporting works (炼油配套工程), which started construction in March 2025, had reached key structural milestones by November 2025, including completion of the fractionation column high-formwork concrete pour. Completion is now expected after 2026.

Read the detailed project profile here.

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