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2020-06-09
On July 1, 2019, the State Council issued the "Internet +" Action Guiding Opinions, which clearly proposed the promotion of intelligent manu...
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Features of stainless steel hard seal ball valve:1). Low flow resistance;2). The structure of stainless steel hard seal ball valve is simple...
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The two-way pressure bearing spherical rotary valve is characterized in that the valve seat seal is a spherical seal. The sealing surface of...
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