国产交换配乱婬视频偷最新章节 -亚洲精品无amm毛片-亚洲乱亚洲乱妇50p-美女黄裸体无遮挡免费视频

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