Supercritical reactiongcylindrical cylinder is a high-performance pressure equipment specifically designed for extreme process environments. Its core features a precisely engineered cylindrical structure, endowing it with exceptional pressure-bearing capacity and structural stability. This enables it to safely and reliably maintain the extreme pressures and temperatures required to sustain substances in a supercritical state. Constructed from high-quality corrosion-resistant alloy materials, the vessel typically integrates efficient mixing and heat transfer systems internally. It finds extensive application in advanced processes such as supercritical extraction, oxidation reactions, and nanomaterial synthesis across pharmaceuticals, new energy, materials science, and environmental protection sectors, serving as a reliable solution for achieving efficient, clean production.