... and support used in a steel structure prefabricated house. H steel column is one of importand material for a ... submerged arc welding machine,automatic machine legislation overturned group,H-beam straightening machine,shot crew rusing,Bending machine,three- ... balustrades, stainless glass awnings, free stainless steel doors, and frame-less glass doors. Besides, we can also machining stainless windows ...