Quality control

1. 

2. Three Disciplines of Quality Management

   Management decision-making requires heavy data, and the source of information should be truthful;
   Rapid feedback on quality abnormalities, timely handling and low losses;
    Quality concessions need to be evaluated, and market risk is not a joke.

   
   

   The Three Non Principles of Quality Management

   No acceptance of defective products.
   No manufacturing of defective products.
   No outflow of defective products.