How to become an Engine Assembler and Tester
Official Chinese title (2022 occupational classification): 内燃机装配调试工
Also called: Engine Tester, Engine Assembler
Assembles the fuel supply, ignition, lubrication and other system parts and assemblies of internal combustion engines with machinery, tooling and tools, then tests and runs in the complete engine.
Main tasks
- Getting tooling, tools and parts ready
- Assembling the crankshaft and connecting rod mechanism
- Assembling valve trains and valve drive parts
- Assembling fuel supply, cooling, lubrication and other system components
- Building the ignition system from the alternator, battery, ignition coil, distributor and spark plugs
- Assembling engine major assemblies with machinery or tools
- Testing and running in the complete engine
- Maintaining assembly equipment, jigs, fixtures and gauges
Ways in
- Vocational majors: Higher vocational college (高职专科) major: Internal Combustion Engine Manufacturing and Application Technology (460117). Vocational major 460117 Internal Combustion Engine Manufacturing and Application Technology (内燃机制造与应用技术), 3 years. The Ministry of Education's 2022 major profiles list this occupation among those the major prepares students for (职业面向). Example certificates: Automotive Operation and Repair; Fuel Vehicle Final Assembly and Testing.
Pay · AI and this job
- Median pay in China: CN¥72,400 a year (2025).
- Middle half: CN¥55,000 to CN¥98,000. One in ten earn less than CN¥43,600 and one in ten more than CN¥126,900.
- This is the figure for the mid group General Equipment Manufacturing Workers, not for this job alone.
- National figure: wage prices of enterprise employees from the Ministry of Human Resources and Social Security (MOHRSS) enterprise pay survey. The public sector and the self-employed are not covered.
- Guangzhou only: median CN¥66,362 a year (2025), middle half CN¥55,000 to CN¥90,167.
- This is the figure for the mid group General Equipment Manufacturing Workers, not for this job alone.
- Generative AI can do relatively little of this work, by the ILO's global estimate.
Who does this work
- The census group General Equipment Manufacturing Workers holds 0.26% of everyone employed in China; 23.5% of its workers are women (2020 Census).
- 37.1% are under 35, 53.7% are 35 to 54 and 9.2% are 55 or older. The middle age band is 35 to 39.
- Census figures for the whole mid group (2020 long-form sample), not for this job alone.
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Questions people ask
How do I become an Engine Assembler and Tester?
Ways in include: Higher vocational college (高职专科) major: Internal Combustion Engine Manufacturing and Application Technology (460117).
How much does an Engine Assembler and Tester earn in China?
Across China, the median pay of enterprise employees is CN¥72,400 a year (Ministry of Human Resources and Social Security (MOHRSS), 2025). The public sector and the self-employed are not covered. It is the figure for the mid group General Equipment Manufacturing Workers. In Guangzhou alone it is CN¥66,362 a year (2025).
Will AI change the work of an Engine Assembler and Tester?
Generative AI can do relatively little of this work, by the ILO's global estimate.
Sources
- International Labour Organization, Generative AI and Jobs: A Refined Global Index of Occupational Exposure (ILO Working Paper 140, Gmyrek et al.) (ILO Working Paper 140, May 2025, Annex Table A1), CC BY 4.0, retrieved 4 October 2026
- Ministry of Human Resources and Social Security (MOHRSS): 2025 enterprise pay survey information: wage prices of enterprise employees by occupation mid group, and digital occupations (P10 to P90 annual CNY) (2025 (published 2026-07-08)), retrieved 5 October 2026
- Guangzhou Human Resources and Social Security Bureau: Guangzhou 2025 labour market wage prices (P10 to P90 annual CNY by occupation) (2025 (enterprise pay survey)), retrieved 4 October 2026
- National Bureau of Statistics of China: China Population Census Yearbook 2020, long-form tables 4-6 and 4-7 (employed by occupation mid group, sex, age) (2020 Census long form (10% sample)), retrieved 4 October 2026
Sources: Occupational Classification of the People's Republic of China (2022 edition, public consultation draft), Ministry of Human Resources and Social Security, State Administration for Market Regulation and National Bureau of Statistics; Ministry of Human Resources and Social Security, 2025 enterprise pay survey information; Guangzhou Human Resources and Social Security Bureau, 2025 labour market wage prices; National Bureau of Statistics of China (www.stats.gov.cn), 2020 Population Census yearbook; Ministry of Education, vocational education major profiles (2022 revision) and undergraduate major catalogue (2025); Ministry of Human Resources and Social Security, national vocational qualifications catalogue (2021); O*NET interest scores (CC BY 4.0); ILO global generative AI exposure index (CC BY 4.0). Figures processed by Peernovo. English text, translations and the matching of occupations to ISCO-08, majors, degree fields and qualifications by Peernovo.
Descriptions and tasks are Peernovo's own words, written from the facts in the Occupational Classification of the People's Republic of China (2022 edition). Job titles and work types are the classification's own.
Updated 5 October 2026