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麻花豆星空天美糖心mv-星麻花传媒mv-星空天美梦幻mv免费-天美麻花星空果冻mv-62星空天美梦幻糖心mv-天美电影免费在线观看1. Look at the appearance:

麻花豆星空天美糖心mv-星麻花传媒mv-星空天美梦幻mv免费-天美麻花星空果冻mv-62星空天美梦幻糖心mv-天美电影免费在线观看A. Does the top of your head shine

B. Are there cracks, cracks, scratches on the top of your head

C. Head is round mouth, umbrella head, small flat head, or frosted.

麻花豆星空天美糖心mv-星麻花传媒mv-星空天美梦幻mv免费-天美麻花星空果冻mv-62星空天美梦幻糖心mv-天美电影免费在线观看D. Is there a protuberance at the root due to the crack of the main mode

麻花豆星空天美糖心mv-星麻花传媒mv-星空天美梦幻mv免费-天美麻花星空果冻mv-62星空天美梦幻糖心mv-天美电影免费在线观看E. Is the wound leveled

麻花豆星空天美糖心mv-星麻花传媒mv-星空天美梦幻mv免费-天美麻花星空果冻mv-62星空天美梦幻糖心mv-天美电影免费在线观看F. Is the rivet bar in the middle of the top of the head, otherwise it will bend and bend

G. Is the rivet bar scratched and uneven

2. Whether the specifications of each position are in line with the production and manufacturing regulations. The important index values such as the diameter from the beginning, the diameter of the rod, the length to the depth of the rod must be measured more than two or three times, and 10-20 samples should be inspected each time.

In the case of accurate measurement, we must adopt the standard measurement size and standard precise measurement posture, so as to ensure the effectiveness of the accurate measurement. Every bolt in the original factory of Datong Hardware Products Co., Ltd. is inspected by the machine teacher at all times to ensure that once the problem is found, the machine will be shut down immediately to remove the substandard goods, and the unqualified products will be removed Machine teacher fu MA calibration equipment, non-standard rivets to ensure the orderly development of production and manufacturing, not only to ensure product quality, but also not to harm the production cycle, in the shortest possible time will be good goods according to the high-quality service items delivered to customers with requirements, warmly welcome interested customers to visit our factory, we will do our best to serve every one of you A request!

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