Makumi masauzande akukhathamiritsa kukwezedwa kwa masamba 'ogawika pakaperekedwe ndi chidziwitso' (kumasulidwa kwa chilankhulo chimodzi | kumasulidwa kwa chilankhulo chonse)
Makumi masauzande akukhathamiritsa kukwezedwa kwa masamba 'ogawika pakaperekedwe ndi chidziwitso' (kumasulidwa kwa chilankhulo chimodzi | kumasulidwa kwa chilankhulo chonse)
Makumi masauzande akukhathamiritsa kukwezedwa kwa masamba 'ogawika pakaperekedwe ndi chidziwitso' (kumasulidwa kwa chilankhulo chimodzi | kumasulidwa kwa chilankhulo chonse)
Galvanized square steel pipe is a hollow square section steel pipe with a square cross-section shape and size that is formed by cold bending and high-frequency welding using hot-rolled or cold-rolled galvanized strip steel or galvanized coil as the blank. Ýa-da öñünden taýýarlyk, sowuk-bişikli süýtgeli derrewli tüpden edilen, soňra süýtgeli çöpden işlenýän.
