Ọkọlọtọ: ISO2531/EN545 Ihe: Ductile Iron Preussre: PN10/16 Nha: DN50-DN400
Ọkọlọtọ: ISO2531/EN545 Ihe: Iron Ductile Ọnọdụ: PN10/16 Nha: DN50-DN400