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Ọdịmma dị elu 20MnB4 28B2 Oyi isi igwe waya maka ọrịre -
Hot Dip Galvanized Steel Waya Gi Iron Waya 3.6mm 4.6mm Maka Ogwe Nzu na ụgbụ. -
Prestressing Waya Prestressed Concrete PC Steel Waya 3-12mm A421 ọkwa maka ngere anụ ụlọ -
ASTM A416 Steel Strand maka ụlọ ọrụ -
Q235 10mm Steel waya mkpanaka -
Igwe waya galvanized maka Australia
