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17 jobs found.
Alumina Cement Manufacturing Worker
This occupation handles the manufacturing process of alumina cement from raw material blending to firing and crushing through machine operation and quality control.
Metal Etching Worker (Printing Platemaking)
A technical job that applies resist, exposes, develops, and chemically etches metal plates for printing to manufacture intaglio and lithographic plates.
Dope Preparer (Chemical Fiber Manufacturing)
A manufacturing technical position that prepares polymer solutions (dope), which are raw materials for chemical fibers, and supplies them to the production line.
Hydrogenated Oil Manufacturing Equipment Operator
Hydrogenated oil manufacturing equipment operators operate manufacturing equipment for hydrogenated oil in chemical plants, performing tasks from raw material charging to reaction condition adjustments and quality inspections.
Industrial Pure Water Manufacturing Machine Operator
Industrial pure water manufacturing machine operators are specialists responsible for operating, monitoring, and maintaining equipment that generates high-purity water (pure water) used in manufacturing plants.
Purification Worker (Non-ferrous Metal Smelting)
Operator who manages and operates purification tanks in the electrolytic refining process of non-ferrous metals to produce high-purity metals.
Silicon Refiner (Metallic Silicon)
Specialized occupation that refines silicon (metallic silicon) through reduction smelting in a high-temperature electric furnace and adjusts it to a purity suitable for industrial use.
Sample Collection Worker (Ironmaking, Steelmaking)
This occupation involves collecting samples for chemical analysis from molten metal or steel materials in ironmaking and steelmaking processes and providing them to the quality control department.
Dyeing Testing Technician
A technical role that evaluates dyeability, color fastness, and other properties of textile products using various testing equipment, and verifies compliance with quality standards and criteria.
Coal Preparation Worker
Occupation that sorts and concentrates coal or ore mined from mines by particle size or specific gravity to ensure product quality.