Liosta prìsean toraidh (aonad prìs: RMB) Inbhe Ameireaganach: API 5L, ASTM A106/A53 Inbhe Gearmailteach: DIN 1629 Stuth: 20 #, Gr.B, ST44 NDOD (MM) SCH40 SCH80 WT Cuideam Prìs WT Cuideam Prìs (MM) ( KG/M) (Yuan/ton) (MM) (KG/M) (Yuan/ton) 1/4 ″ 13.7 2.24 0.63 8100 3....
Leugh tuilleadh