KN95 mask|Shengdao KN95 mask

Five years ago, the protective shell of mobile phones was mainly made of silicone material, with the mobile phone market singing all the way Most manufacturers of silicone products also followed the song.
  In the most popular period of silicone cell phone protective sleeves, its production process was mostly high-temperature molding and vulcanization molding, and finally it was manually processed, but at that time, the cost of this production process was relatively high, and the mold clamping line was also a big flaw. With the increasingly sophisticated consumer demand, manufacturers of mobile phone protective cases have to make adjustments. Most manufacturers choose to use alternative materials, such as TPU, PC, etc., but these materials also have protection for mobile phones in terms of environmental performance and feel. From a perspective, it is not as good as silicone, so the market for mobile phone cases was the most chaotic during that period.
  But in recent years, the hotness of mobile phone protective cases has continued to increase, but people's aesthetics have also changed from a variety of fancy appearances to simpler and more practical. Harder protective shells have gradually withdrawn from the market, and the current market has the best sales. The style of silicone protective sleeve is the simplest single-color ultra-thin protective sleeve formed by transparent silicone material.
  Before the release of ipone6S, Dongguan Shengdao Silicone Rubber Products Co., Ltd. received an order for the patented silicone sleeve of this mobile phone. At the same time, the customer also requested to make the simplest public model. Although the style is popular, it is not practical and environmentally friendly. public. If there is no own advantage, the patented product is just a reputation, and people of insight are welcome to customize all kinds of silicone sleeves for electronic products.