Chemical, petrochemical and pharmaceutical ——Petrochemical industry, coal chemical industry, fine chemical industry, chemical fiber, synthetic fiber, pesticide, chemical fertilizer, inorganic chemical industry, petrochemical logistics, storage and transportation, medicine and pharmaceutical preparations, etc
Electric power industry ——Power generation, transmission and transformation, power supply and distribution, thermal power engineering, etc
Municipal Public Works ——Urban gas supply, heating, water supply and drainage engineering, etc
Civil Engineering ——Industrial and civil construction engineering, light steel structure engineering, etc
Environmental Engineering ——Water pollution control project, air pollution control project, solid waste treatment and disposal project, etc
other ——Light industry, food, etc
