What is the difference between petrochemical machinery and machining?

Petrochemical machinery is processed by processing equipment, including lathes, milling machines, drilling machines, grinders, CNC machining centers, gear hobbing equipment and many other processing machinery, all of which are machine tools. Many mechanical equipment are produced by machining equipment, and petrochemical machinery is also produced by these machine tools. Chemical equipment mainly includes reaction equipment, heat exchange equipment, separation equipment, storage equipment, ground equipment and devices, pumps and control cabinets.