无码国产精品一区二区免费97 - 欧洲熟妇色xxxx欧美老妇 - 777米奇色狠狠狠888影视 - 91亚洲国产系列精品第56页 - h漫免费无码精品无修在线观看

CN | EN

Cast Steel Trunnion Type Ball Valve(Electric )

Release time:2023-09-01 Clicks:



Product Design Features

Serial floating ball valves are mainly applied to natural gas,oil products,chemical engineering,metallurgy,city building,environment protection,pharmacy and food industries, among which the anti-sulphur series are used for long delivery pipes of natural gas that contains hydrogen sulphide medium,a lot of impurity and corrosive substances.

Home
Products
Application
Tel