10mm industrial steel frame buildings

H- 섹션 빔 Q235B/Q355B를 가진 전공 철강 구조 작업실

Stable Professional Engineering Design Prefabricated House Steel Structure Frame Building Workshop Product Specifications Attribute Value Raw Steel Material Q235B, Q355B, ASTM A36 Application Steel Workshop, Steel Structure Platform, Structural Roofing, Frame Part Surface Treatment Painting or Hot...