Perform surface treatment and chemical treatment processes according to work instructions, drawings, specifications, and customer requirements.
Operate and maintain treatment tanks and equipment used for processes such as degreasing, cleaning, pickling, passivation, phosphating, rinsing and other surface preparation processes.
Prepare and control chemical solution concentration, mixing ratio, temperature, pH, treatment time and water level according to approved process parameters.
Carry out proper masking, cleaning and preparation of parts before surface treatment.
Perform treatment on stainless steel, cold rolled steel (CRS/SPCC), aluminium and other metal components as required.
Conduct visual inspection after treatment to identify stains, discoloration, corrosion, water marks, scratches, uneven surfaces or other cosmetic defects.
Ensure parts are properly cleaned, rinsed, and dried before proceeding to the next process, including powder coating or assembly.
Record treatment parameters, chemical checks, lot/batch information, and production quantities for process traceability.
Monitor chemical condition and inform the supervisor when chemical replenishment, replacement, or corrective action is required.
Follow chemical handling, PPE, SDS and workplace safety requirements at all times.
Maintain good housekeeping and cleanliness of the treatment area, tanks and equipment.
Work closely with Production and Quality teams to resolve treatment and cosmetic issues.
Immediately report any non-conforming parts or abnormal process conditions to the supervisor.
Support continuous improvement activities to improve quality, productivity and process consistency.
Perform other production or surface-treatment-related duties assigned by the supervisor.