Hello, mobile phone films mainly belong to the ninth category: 0907 groups of protective films for smart phone screens. At present, there are different trademark agencies in China, so you should make a good screening. You can find that there are many different platforms for entering trademarks in Baidu, and there will be rating advertisements below. Therefore, it is obvious that Ci has been promoted by different platforms in Baidu, and your business ability can only be realized by yourself. Cloth also reminds everyone that Baidu should not blindly choose before and after the push terms. You can consult several company platforms and feel the services of different platforms before making a decision. I hope you can start with a trademark that you like.