Q47H-25-DN250,GDQ47H-25-DN300,GDQ47H-25-DN350,GDQ47H-25-DN400,GDQ47H-25-DN450,GDQ47H-25-DN500,GDQ47H-40-DN25,GDQ47H-40-DN32,GDQ47H-40-DN40,GDQ47H-40-DN50,GDQ47H-40-DN65,GDQ47H-40-DN80,GDQ47H-40-DN100,GDQ47H-40-DN125,GDQ47H-40-DN150,GDQ47H-40-DN200,GDQ47H-40-DN250,GDQ47H-40-DN300,GDQ47H-40-DN350,GDQ47H-40-DN400,GDQ47H-40-DN450,GDQ47H-40-DN500,GDQ47H-64-DN25,GDQ47H-64-DN32,无锡昌林，GDQ47H-64-DN40,GDQ47H-64-DN50,GDQ47H-64-DN65,GDQ47H-64-DN80,GDQ47H-64-DN100,GDQ47H-64-DN125,GDQ47H-64-DN150,GDQ47H-6