Z11H/Y内螺纹锻钢闸阀

Z41H-64C高压闸阀

Z41H-16C铸钢闸阀

Z47HF无泄漏燃气平板闸阀

Z41H/Y法兰锻钢闸阀

BWZ41H供应中国沪工国标波纹管闸阀

Z962YZ962Y国标电站闸阀

Z960YZ960国标电站闸阀

Z961YZ961Y国标电站闸阀

Z941H铸钢电动法兰闸阀

Z43系列Z43系列手动平板闸阀

Z43WF-16Z43WF手动平板闸阀