What are the valves in the petrochemical industry

Demand for petrochemical general valves and special valves in the petrochemical industry petrochemical industry refers to the production of gasoline, kerosene, diesel, lubricating oil, liquefied petroleum gas and other petroleum products with oil and natural gas as raw materials; Using light oil as raw material to produce olefins and aromatics, and then produce synthetic resin, synthetic fiber, synthetic rubber and various chemical raw materials