Z373X -PN2.5~PN16铸铁对夹式浆液阀
Z41H-10C硬密封闸阀
Z45X软密封暗杆闸阀
Z373X -PN2.5~P..
NKZ41H-16C手动真空闸阀
Z61Y磅级电站闸阀
Z81X软密封卡槽式明杆闸阀