拱形屋顶用专门的成型机组将彩涂板压制成具有折皱波纹的弧形钢槽板，经锁缝连接并安装就位而形成的屋盖结构。
The arched roof is a roof structure formed by pressing the color coated plate into an arc-shaped steel trough plate with corrugations and corrugations with a special forming unit, which is connected by lockjoints and installed in place.
适用范围：体育场馆、展览厅馆、交易市场、影剧戏院、储存仓库、车库机库、粮库冷库、集散大棚、工业厂房、农用暖棚、旧房改造、楼房加层、学校医院、旅游设施、集贸市场、娱乐场所等。
Scope of application: stadium, exhibition hall, trading market, theater, storage warehouse, garage hangar, grain depot cold storage, distribution shed, industrial workshop, agricultural greenhouse, old house reconstruction, building plus floor, School Hospital, tourism facilities, market, entertainment place, etc.