ASTM/BS/EN/GB Low Relaxation Steel Strand for Pres-tressed Concrete, with 1 x 3, 1 x 7 Structure
Galvanized PC Steel Strand for Pre-stressed Concrete, ASTM, BS and GB
ASTM/BS/EN/GB Low-relaxation Steel Strand for Prestressed Concrete, with 1 x 3, 1 x 7 Structure
