Chairman of the National Petroleum and Chemical Industry Network News Li Yongwu met with the d…
Liquefied petroleum gas valve in the steam heating system to play the role of gas blocking drai…
Self-priming centrifugal pump is based on the relevant technical information at home and ab…
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The unfinished renovation and elimination will be suspended …
Recently, the first new-type stepped double-surface radiation coking furnace in China has been…
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With the intensification of international competition, the global automobile market …
The increase in domestic demand for petrochemicals such as ethylene will be significantly lowe…
On June 22, the Soft Control Shares signed a contract with Myanmar MEC Corporation to provide …
Closing valve opening and closing pieces of plug-shaped flap, the sealing surface was fl…