Instrumentation control technology × Workstyle: Factory work
2 jobs found.
Melting Worker (Non-Ferrous Metal Smelting)
A manufacturing job that melts and refines non-ferrous metals, achieving the specified metal composition through temperature control and impurity removal.
Ammonium sulfate manufacturing worker
A job that manufactures ammonium sulfate (ammonium sulfate) by reacting sulfuric acid and ammonia, and performs purification, drying, and quality control.