D71FS-6-DN150,D71FS-6-DN200,D71FS-6-DN250,
D71FS-6-DN300,D71FS-6-DN350,D71FS-6-DN400,
D71FS-6-DN450,D71FS-6-DN500,D71FS-6-DN600,
D71FS-6-DN700,D71FS-6-DN800,D71FS-6-DN900,
D71FS-6-DN1000,D71FS-6-DN1200,YOUYAN
GD3741XJ-6Z,GD3741XJ-6Q,GD3741XJ-10C,GD3741XJ-10Z,
GD3741XJ-16Q,GD3741XJ-16Z,消防信号蝶阀
GD3741XJ-6Z-DN50,GD3741XJ-6Q-DN50,GD3741XJ-6C-DN50,
GD3741XJ-6P-DN50,GD3741XJ-6R-DN50,
GD3741XJ-10Z-DN50,GD3741XJ-10Q-DN50,GD3741XJ-10C-DN50,
GD3741XJ-10P-DN50,GD3741XJ-10R-DN50,
GD3741XJ-16Z-DN50,GD3741XJ-16Q-DN50,GD3741XJ-16C-DN50,
GD3741XJ-16P-DN50,GD3741XJ-16R-DN50,
GD3741XJ-6Z-DN65,GD3741XJ-6Q-DN65,GD3741XJ-6C-DN65,
GD3741XJ-6P-DN65,GD3741XJ-6R-DN65,
GD3741XJ-10Z-DN65,GD3741XJ-10Q-DN65,GD3741XJ-10C-DN65,
GD3741XJ-10P-DN65,GD3741XJ-10R-DN65,
GD3741XJ-16Z-DN65,GD3741XJ-16Q-DN65,GD3741XJ-16C-DN65,
GD3741XJ-16P-DN65,GD3741XJ-16R-DN65,
GD3741XJ-6Z-DN80,GD3741XJ-6Q-DN80,GD3741XJ-6C-DN80,
GD3741XJ-6P-DN80,GD3741XJ-6R-DN80,
GD3741XJ-10Z-DN80,GD3741XJ-10Q-DN80,GD3741XJ-10C-DN80,
GD3741XJ-10P-DN80,GD3741XJ-10R-DN80,
GD3741XJ-16Z-DN80,GD3741XJ-16Q-DN80,GD3741XJ-16C-DN80,