If enterprises want to survive and develop in the fierce market competition, it is not enough to rely solely on directional strategic choices. The competition between any enterprises is inseparable from the competition of "product quality". Without excellent product quality, enterprises will eventually disappear in the wave of market economy.

As the most difficult and easy problem, product quality often makes suppliers miserable, from returning goods to losing money, to losing customers and closing down. Therefore, how to effectively control the process is the core to ensure and improve product quality, promote enterprise development, win the market and gain profits.

QC application:

In the enterprise field, quality control activities are mainly the on-site management of production within the enterprise, which has nothing to do with the existence of contracts. Refers to the control technical measures and management measures taken to achieve and maintain quality. Quality inspection belongs to quality control and is an important activity of quality control.

Internationally, quality control objects can set "witness points" or "stop points" according to their importance and different requirements of supervision and control. Both "witness point" and "stop point" are quality control points, and their operation procedures and supervision requirements are different because of their different importance or the degree of influence of their quality consequences.