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1、Comprehensive Safety Section - Safety Specialist: 1 person, college degree or above, more than 3 years of experience in safety and environmental management in industrial production enterprises such as metallurgy, chemical industry, and alumina; holder of an intermediate registered safety engineer certificate or a first-level registered fire protection engineer certificate, and those with electrical industry experience are preferred.

2、Production Department - Production Scheduling: 5 people (1 for dissolution, 2 for raw materials, and 2 for roasting), college degree or above, more than 3 years of experience in operating the main control room of each alumina process, proficient in the workshop process flow, material balance, equipment operation and DCS operation

3、Decomposition workshop - deputy director: 1, college degree or above, more than 5 years of experience in alumina decomposition workshop production and equipment management, with professional knowledge of alumina production process and machinery, familiar with the process flow and operation methods of alumina decomposition workshop, and able to control and direct production

4、Decomposition workshop - comprehensive filtration inspection worker: 1 person, technical secondary school degree or above, more than 2 years of work experience in alumina decomposition workshop, familiar with the production process, equipment, safety operating procedures and related knowledge of alumina decomposition workshop.

5、Roasting workshop - on-site main operator: 1, technical secondary school degree or above, more than 3 years of work experience in alumina roasting workshop, familiar with the workshop process flow, equipment operation and DCS operation.

6、Raw Materials Workshop - Patrolman: 1, technical secondary school degree or above, more than 2 years of experience in alumina raw materials workshop, familiar with the production process, equipment, safety operating procedures and related knowledge of alumina raw materials workshop

7、Evaporation workshop - team leader: 1, college degree or above, more than 5 years of experience in alumina evaporation workshop production and equipment management, familiar with the evaporation workshop production process and related indicator control, equipment operation and maintenance

8、Filter Press Workshop - Team Leader: 1, college degree or above, more than 5 years of experience in alumina filter press workshop production and equipment management, familiar with the filter press workshop production process and related indicator control, equipment operation and maintenance

9、Electrical workshop - main operator: 2 persons, college degree or above, more than 5 years of electrical technical work experience, familiar with safety regulations and electrical high and low voltage switching operation procedures, familiar with fault handling methods, those with experience in alumina electrical work are preferred.

10、Electrical Workshop - Electrical Operator: 2 persons, technical secondary school degree or above, more than 3 years of electrical technical work experience, familiar with safety regulations and electrical high and low voltage switching operation procedures, with certain ability to handle electrical equipment failures, those with experience in alumina electrical work are preferred.

11、Central Laboratory - Deputy Director: 1, college degree or above, major in metallurgy, chemical engineering, analysis, management or related, with assistant engineer certificate or above, more than 5 years of laboratory analysis or related management experience, familiar with alumina production process, industrial analysis and related production equipment knowledge; familiar with alumina production safety operating procedures.

12、Central Laboratory - Solution Analyst: 1 person, college degree or above, more than 3 years of chemical work experience, familiar with the testing and analysis standards of the alumina industry.