Quality control includes operation technology and activities, that is, it includes professional technology and management technology.
Focus on all aspects of the entire process of product quality, control the five factors that affect the quality of work, including human, machine, material, method, and environment, and verify the results of quality activities in stages, so as to find problems in time, take corresponding measures to prevent unqualified repetitions occur to minimize losses. Therefore, our quality control implements the principle of combining prevention with inspection and inspection.

Clearly divide the operation area, finished product area, accessory area, and defective area. Ensure that defective products are not shipped from the factory.