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1、Production Department - Dispatcher: 1 person, college degree or above, more than 5 years of experience in alumina production dispatching management, proficient in plant-wide material balance adjustment and material accounting, proficient in office software and DCS operations.

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

3、Raw Materials Workshop - Team Leader: 1 person, college degree or above, must have more than 5 years of experience in team management in alumina raw materials workshop, be familiar with the process flow and operating methods of alumina raw materials workshop, be able to control and direct production, and have certain emergency handling capabilities.

4、Raw Materials Workshop - Raw Materials Inspector: 1 person, technical secondary school degree or above, more than 3 years of work experience in alumina raw materials workshop, familiar with the inspection, operation, maintenance of alumina raw materials workshop equipment, process pipelines and ancillary equipment.

5、Kalnasi Workshop - Team Leader: 1 person, college degree or above, more than 5 years of experience in production and equipment management of alumina dissolution workshop, familiar with the production process flow and related indicator control, equipment operation and maintenance of the roasting workshop.

6、Dissolution Workshop - Technician: 1 person, college degree or above, more than 5 years of experience in production and equipment management of alumina dissolution workshop, with professional knowledge of alumina production process and machinery, those with experience in alumina project construction management are preferred.

7、Dissolution Workshop - Team Leader: 1 person, college degree or above, more than 5 years of experience in production and equipment management of alumina dissolution workshop, professional knowledge of alumina production process and machinery, those with experience in alumina project construction management are preferred.

8、Decomposition workshop - Deputy manager: 1 person, college degree or above, more than 5 years of experience in production and equipment management of alumina decomposition workshop, 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.

9、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.

10、Central Laboratory - Deputy manager: 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.

11、Central Laboratory - Comprehensive 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, and master the maintenance knowledge of routine analytical equipment.