Flange is also called flange flange or flange. Flanges are the interconnected parts between shafts and are used for the connection between pipe ends; they are also used as flanges on the inlet and outlet of equipment for the connection between two equipme
Products Description: Ordinary medical mask is product for medical work environment. The color is blue, white. Packaging specifications are diversified, according to your needs to OEM. The mask is in full compliance with the Chinese medical device registr
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