Generally, it's suitable for construction of industrial workshops, stadiums and storehouses. It adopts constant-section poles or variant-section poles and variant-section girder. With large steepness of the roof, it has excellent drainage result.

　　It's generally suitable for construction of large-span workshops, storehouses and exhibition halls. It adopts constant-section poles or variant-section poles and variant-section girder. With good economical efficiency and practicability, it's able to satisfy buildings for various purposes.

　　It's generally suitable for construction of joint large-span industrial workshops and storehouses. With large net area and better economical efficiency, it allows more convenience and flexibility for the production line layout.

　　It's generally suitable for offices, smallwares and retail shops or various small-span buildings, characterized by beautiful interior and exterior appearance, and small steepness.

　　It adopts constant-section poles, flat-bottom girder. Since there is no idle space inside, it's of high commercial application value.

　　It's generally suitable for buildings such as multi-span industiral workshop, shopping center, storehouses and business offices, with characteristics of most modernized architecture.