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ENVIRONMENTAL SHOWCASE
THE ESSENCE OF THE MEDIA
After the sixth annual meeting of the National Fastener Standardization Technical Committee held in Haiyan, Zhejiang on November 19-20, 2018, a total of six national standards were revised and improved after reviewing the resolution.
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For many fastener products, there are strict production standards. So, what is the standard for combination screws? As we all know, the combination screw is a kind of fastener that is very common in our life, so many people are very curious
he anti-loose effect of the locknut is obvious to all, and it has many uses. Moreover, since the lock nut is complicated to install, the installation method of the lock nut of different structures is not the same. Therefore, the contents of
According to everyones feedback, many people care about the standard of hand tightening screws. As a screw product that is not very simple to process, the use of this screw product is common knowledge of manufacturing industry, and its role
