Hello dear, We are mongolians and we are interested in your galvanized steel pipe, GB/T8162, Q235B or Q235C. Please contact us mglbsteel@gmail.com. Bujee, 88971988 Kindly send me the complete product catalog with Price list. @gmail.com. Bujee, 88971988 Kindly send me the complete product catalog with Price list. Show More