SPHT1 is suitable for general structural steel and engineering with hot rolled steel plates, steel belt, available for welded pipe, cold rolling materials, bicycle parts, as well as important welding, riveting, bolting artifacts.
SPHT2 is suitable for general structural steel and engineering with hot rolled steel plates, steel belt, available for welded pipe, cold rolling materials, bicycle parts, as well as important welding, riveting, bolting artifacts.
SPHT3 is suitable for general structural steel and engineering with hot rolled steel plates, steel belt, available for welded pipe, cold rolling materials, bicycle parts, as well as important welding, riveting, bolting artifacts.
SPHT4 is suitable for general structural steel and engineering with hot rolled steel plates, steel belt, available for welded pipe, cold rolling materials, bicycle parts, as well as important welding, riveting, bolting artifacts.