There are many types of machinery, which can be divided into various categories according to several different aspects.
According to functions, it can be divided into power machinery, material handling machinery, crushing machinery, etc.;
According to the service industry, it can be divided into agricultural machinery, mining machinery, textile machinery, packaging machinery, etc.;
According to the working principle, it can be divided into thermal machinery, fluid machinery, bionic machinery, etc.
The main products of the machinery industry include the following 12 categories
Agricultural machinery: tractors, planters, harvesting machinery, etc.;
Heavy mining machinery: metallurgical machinery, mining machinery, hoisting machinery, loading and unloading machinery, industrial and mining vehicles, cement equipment, etc.;
Construction machinery: forklifts, shoveling and transporting machinery, compaction machinery, concrete machinery, etc.;
General petrochemical machinery: oil drilling machinery, oil refining machinery, chemical machinery, pumps, fans, valves, gas compressors, refrigeration and air conditioning machinery, paper machinery, printing machinery, plastic processing machinery, pharmaceutical machinery, etc.;
Electrical machinery: power generation machinery, transformers, high and low voltage switches, wires and cables, batteries, electric welding machines, household appliances, etc.;
Machine tools: metal cutting machine tools, forging machinery, foundry machinery, woodworking machinery, etc.;
Cars: trucks, highway buses, cars, modified cars, motorcycles, etc.;
Instrumentation: automation instrumentation, electrical instrumentation, optical instrument, composition analyzer, automobile instrumentation, electrical equipment, audio-visual equipment, camera, etc.;
Basic machinery: bearings, hydraulic parts, seals, powder metallurgy products, standard fasteners, industrial chains, gears, molds, etc.;
Packaging machinery: packaging machines, cartoners, conveyors, etc.;
Environmental protection machinery: water pollution control equipment, air pollution control equipment, solid waste treatment equipment, etc.;
Mining machinery: rock splitting machine, capping machine, etc.
Construction machinery refers to the general term for construction machinery used in engineering construction. It is widely used in construction, water conservancy, electric power, roads, mines, ports, national defense, and other engineering fields.