Talking about the development of mobile phone protective cover

In the mid to late 1990s, mobile phone cases became popular with the opportunity of mobile phones to lose weight. Its types are also diversified with the increase of mobile phone brands and functions. According to the texture, there are leather, silicone, cloth, hard plastic, soft plastic, velvet, silk and other categories. According to the model, there are straight and The difference between the flip. Depending on the model, the applicable categories of mobile phone cases are also different. The candy bar can usually use all types of mobile phone cases, while the slide-type foldable type can only choose leather cases. Function 1. Protect the phone to prevent hard objects from leaving scratches on the phone screen or body. 2. A variety of colors can be printed on the phone case wholesale, which has a beautifying effect. 3. The silicone sleeve can prevent the nails from being scratched and worn out when contacting the keys for a long time, and it can protect the screen and keys. 4. The silicone sleeve has the anti-slip effect. 5. Apple mobile phone covers also have the effect of enhancing the signal, because some mobile phone shells form a magnetic field after contact with metal to interfere with the mobile phone signal. Put on an insulated mobile phone cover to enhance the signal. 6. Protect the phone when it is accidentally dropped to prevent it from being broken. 7. The shape of the mobile phone case wholesale can be used to dress the mobile phone into a variety of personalized shapes.
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Dongguan Jolly Industries Limited’s model also predicts (i) a positive effect of management on firm performance; (ii) a positive relationship between product market competition and average management quality (part of which stems from the larger covariance between management with firm size as competition strengthens); and (iii) a rise (fall) in the level (dispersion) of management with firm age.
Dongguan Jolly Industries Limited has developed its range of products around its own market research, which discovers customers' precise needs.