1. First of all, the current picture of the quality of the situation analysis, to understand the problem? The right remedy, and corrected later must be followed by follow-up validation.
2. No haste, quality improvement is a gradual process.
3. According to the actual situation of quality control plan, according to the implementation of the plan, and then verify the results of the implementation of the difference to improve the analysis.
4. All links should not be lax, from into the real to the delivery of the entire process of quality control.
5. Books and periodicals printing to affect the quality of factors (people, machines, objects, laws, rings) to implement effective control.