Valv mar rangach moting'o chuma
-
Valv mar rangach mar NRS moting'o chuma
Duong': DN 40 ~ DN 600
Susa: PN10/PN16 -
Valv mar rangach mar OS&Y moting'o chuma
Duong': DN 40 ~ DN 600
Susa: PN10/PN16
