Certificate:ISO 9001:2000 Material:Q235 & Q345 Application:factory workshop, warehouse, construction engineering Firstly Brand Name: YinglongPlace of Origin: Shandong ... , steel building, metal building, modular house, Steel frame for warehouse, workshop, bridge machine, oil drilling platform, welding parts etc.We can ... of Zunyi Alumina Co.,Ltd.(July 2010)...…… Steel structure workshop & warehouse