Steel formwork, all-in-one cage, and platform can be processed in parallel with form setting and plastering. This improves the quality of the concrete surface, reduce construction time and labor cost. As apartment buildings have become high-rises and standardized, the use of steel gang form, which are essential for the construction of exterior walls of high-rise apartments, has increased. Accordingly, Miretech strives to secure quality steel materials and assembly quality, such as weldng, to ensure safe and economical gang forms.