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Quality Control

Aiming to defend the quality of every piece of our products, Otalum has built a standard quality control system that includes seven inspections for almost every process of production.


The seven inspections are inspection for raw material, mainly for pure aluminium ingots, inspection for aluminium rod, mainly for chemical composition, inspection for extrusion, mainly for measurement and mechanical properties, inspection for surface treatment, mainly for finish quality, color and microns and the last one, the second inspection for finished products before packing.


Following is the flow chart of the production process and inspections.



Flow Chart

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