BS1387 class a class b class c steel pipe

SIze from 1/2"--6:,Trade Terms:
1.Price Term:EX-Work,FOB,CFR,CIF,
2.Payment Term:T/T or L/C
https://www.steelsupplierchina.com/steel-section/bs1387-black-and-hot-dipped-galvanized-tube/