(1) General machinery and equipment (also known as setting equipment) refers to machinery and equipment commonly used in industrial production, such as metal cutting equipment, forging equipment, casting equipment, pumps, compressors, fans, motors, lifting and transporting machinery, etc. This kind of equipment can be mass-produced by the manufacturer according to the final series of standards.
(2) Special machinery and equipment refers to special machinery and equipment specially used for petrochemical production or a certain production, such as drying, filtering and pressure filtration machinery and equipment, sewage treatment, rubber, fertilizer, pharmaceutical processing machinery and equipment, oil refining machinery and equipment, and film production machinery and equipment.
2. According to the role in production.
(1) liquid medium conveying and feeding machinery, such as various pumps.
(2) Gas conveying and compression machinery, such as vacuum pumps, fans and compressors.
(3) Solid conveying machinery, such as hoists, belt conveyors, screw conveyors, scraper conveyors, etc.
(4) crushing and screening machinery, such as crusher, ball mill, vibrating screen, etc.
(5) Refrigeration machinery, such as freezer and crystallizer.
(6) Mixing and separating machinery, such as mixers, filters, centrifuges, dehydrators, filter presses, etc.
(7) Molding and packaging machinery, such as scraper, paraffin, asphalt and sulfur molding machinery and product packaging machinery.
(8) Cranes, such as various bridge cranes and portal cranes.
(9) Metal processing machinery, such as cutting, grinding, planing and milling, drilling machine tools and metal material testing machinery.
(10) power machinery, such as steam turbines, generators and motors.
(1 1) Sewage treatment machinery, such as oil scraper, mud scraper and sludge (oil) conveyor.
(12) Other special machinery, such as pumping unit, hydraulic decoker, dryer, etc.