北京式截止阀

J41T/W-10截止阀J41T/W-10

Z48T煤气快速切断阀Z48T

HQ44X球型止回阀 HQ44X

Z42W/T双闸板闸阀Z42W/T

Z945（Z941）-10Z945（Z941）-10型楔式加长闸阀

Z544T、Z544WZ544T、Z544W伞齿轮传动平行式双闸板闸阀

YJ41W铜氧气截止阀YJ41W

DS943H电动三通蝶阀DS943H

DS343H三通蝶阀 DS343H

北京式截止阀

J41T/W-10截止阀J41T/W-10