The appearance requirements of medical molds are relatively high. In addition to the absence of microcosm, trapped air, and strain, the finish must be very high. To achieve the mirror effect of the mold, polishing is required. Mold polishing has two purposes; one is to increase the smoothness of the mold, so that the surface of the product out of the mold is smooth, high and beautiful;
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There is also no international standard for disposable face mask for children. Due to different concepts, European and American countries do not recommend that children wear masks. All mask standards are suitable for industrial protection or medical protection.
http://www.beeda-teyouda.com/d....isposable-face-mask/

Micro ring, also known as micro-bead or micro loop in hair extensions use small metal rings or beads (usually aluminum) and can sometimes be lined with silicone to attach the extension hair. They are fixed to small sections of natural hair and tightened using a special tool that clamps the bead around the natural hair.
http://www.angelfantastic.com/....human-hair-extension

One of the most frequent questions we get asked by our clients is: what is the main difference between a woven bag vs. a non-woven bag? Our blog explains technical and design features to help you design and manufacture unique branded products.
http://www.xinyemachinery.com/....non-woven-bag-making

For tube, pipe, and profile production, reducing the downtime between production runs is one of the most effective ways to reach lean manufacturing objectives. Flexible Cold Forming® (FCF) is a cage forming process that provides an alternative to the conventional forming process. It reduces mill downtime and can help a tube producer remain viable.
http://www.tubepipemill.com/sq....uare-pipe-making-mac