Quality of products plays great roles in the enterprise as the heart, because the enterprise could survive in the competition only based on the good quality products, therefore, Quality control is the last guard before the products into the market, in that sense, QC process is of great significance.

During the real QC working, the new Innovative ways are adopted, strictly compliance with the regulations of the quality management, mutual supervision, and the strict acceptance of work should be completed obeying to the good quality and quantities, thus, that effectively ensures customer benefits and market efficiency.