Keywords > Refining
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75 jobs found.
Zirconium Manufacturing Worker
This occupation involves refining and smelting zirconium, a type of non-ferrous metal, to produce high-purity metal materials. They are supplied for use in fuel cladding tubes for nuclear power plants, medical devices, and chemical equipment.
Perilla Oil (jinyu) Worker
Processing worker who extracts and refines edible oil from seeds such as perilla (egoma).
Stainless Alloy Worker
A technical occupation that uses electric furnaces, etc., to melt stainless steel and adjust chemical composition to manufacture alloys.
Grain Milling Equipment Operator
Job involving operation, monitoring, and maintenance of grain milling (threshing, sorting, and refining of grains) equipment.
Sugar Manufacturing Engineer (Excluding Development Engineers)
Engineers responsible for operating and managing sugar manufacturing plants using sugarcane or sugar beets as raw materials. They monitor and control processes from raw material processing to concentration, crystallization, drying, and packaging to achieve stable production and quality assurance.
Sugar Manufacturing Worker
An industrial occupation that manufactures sugar from raw materials such as sugarcane and sugar beets. Responsible for processes such as raw material processing, refining, and crystallization.
Copper Smelter
A profession that melts and refines copper ore at high temperatures to manufacture copper ingots and refined copper.
Flour Milling Technician (Excluding Development Engineers)
A technical job that crushes and adjusts raw grains, manages and operates the flour milling process.
Petroleum Product Production Engineer
Manufacturing technical position that chemically and physically processes crude oil to produce and optimize petroleum products.
Furnace Operator (Non-Ferrous Metal Smelting)
A manufacturing technician who operates electric furnaces and the like to melt and refine non-ferrous metals such as aluminum, copper, lead, and zinc, maintaining consistent metal quality through component analysis and temperature management.