Performance characteristics and applications of silicon nitride ceramic parts

Performance characteristics and applications of silicon nitride ceramic parts

Silicon nitride ceramics is a synthetic superhard material. It has good lubricating properties and high hardness, exceptionally high-temperature hardness, so it has outstanding high temperature wear resistance and has the characteristics of ...
The Plunge In Oil Prices Continues To Increase Pressure On The Upstream And Downstream Of The Industr

The Plunge In Oil Prices Continues To Increase Pressure On The Upstream And Downstream Of The Industr

The haze of plummeting oil prices once again enveloped the global market. Analysts believe that both the upstream and downstream of the crude oil industry chain continue to be under pressure due to the "endless" oil price....
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