写100字用英文概括：pstrongGood morning everyone! I am wubifrom special material and devices departmentAs i have introduced in the intro speechI used to be a engineer in Ansteelso todayi will share a descripti

The speaker, Wubi from the special material and devices department, shares his experience as an engineer in Ansteel by giving a detailed description of the process of producing a coil of carbon steel. The process includes digging ironstone and mixing it with reductive coke, heating it to 2000 centigrade to refine melting iron, eliminating carbon and other deleterious elements, rolling the steel slab from 20mm to 6~2mm, and finally cold rolling it to 2~0.45mm and annealing it to get the desired mechanical property. The end result is a shining steel plate that can be used in various applications