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Spiral welded steel pipe
Spiral tšepe liphaephe li entsoe ka tšepe coil, extrusion theha tlas'a mocheso o tloaelehileng, ka nako eo nka theknoloji ea habeli terata le habeli sefahleho tlas'a metsi-arc welded.
Spiral tšepe liphaephe li entsoe ka tšepe coil, extrusion theha tlas'a mocheso o tloaelehileng, ka nako eo nka theknoloji ea habeli terata le habeli sefahleho tlas'a metsi-arc welded.