According to the demands on brush finish of high quality dry concrete, the company draws upon the advanced technique in steel-frame plywood formwork at home and abroad to develop Aoyu steel-frame plywood formwork system with reliable quality. The system adopts the specialized R-formed frame and ?n?-shape rib and formwork connector and keep abreast of the product of the same kind at home and abroad in terms of technical performance. It can be divided into one with backbone and one without backbone. Except the frame, the connector of the steel-frame plywood formwork with backbone is basically the same as those of Aoyu steel formwork. It includes several types such as wall formwork, square column formwork, arc formwork. The line of product has been picked up in the national key project?National Stadium. The steel-frame plywood formwork without backbone has successfully found its footing in the construction market in countries such as Kazakhstan.