Many companies use a lot of screw materials, which are common to the east. Basically, electrical and electronic factories are used. Of course, in the past when screw suppliers sent screw materials, there were many manufacturers who used screws to rarely test them. Some will only find some unpleasant problems in the process of use, such as the failure of screws. Yes, it is such a screw that fails. Therefore, many manufacturers who use screws will write material nonconformity certificates at that time. If the screws are not qualified, then how do you write a screw failure certificate? Next, create a screw manager Zhu on a brief introduction.
Screws need to be written as follows:
1. The reason for the failure of the screw. For example, the screw threads are not qualified, and the thread can not pass the regulation. For example, screw plating fails. Screw salt spray test time does not meet the requirements.
2. Check the screws are not qualified, we usually through the lottery, for example, we have selected a hundred screws for inspection. Discover how many screws did not meet the requirements. Therefore, it is broken off as defective screws and bad materials. So these should be written clearly.
3. Finally, write down the requirements of the screw supplier to receive the material nonconformity certificate, you must reply to the solution as soon as possible.
Screws need to be written as follows:
1. The reason for the failure of the screw. For example, the screw threads are not qualified, and the thread can not pass the regulation. For example, screw plating fails. Screw salt spray test time does not meet the requirements.
2. Check the screws are not qualified, we usually through the lottery, for example, we have selected a hundred screws for inspection. Discover how many screws did not meet the requirements. Therefore, it is broken off as defective screws and bad materials. So these should be written clearly.
3. Finally, write down the requirements of the screw supplier to receive the material nonconformity certificate, you must reply to the solution as soon as possible.
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