How to contact the mobile phone manufacturer?

Hello, if you want to contact most companies with QQ, you can contact them with corporate QQ. It is a category that will be provided under your ordinary friends. If not, please upgrade QQ to the latest version. If it's a telephone, you can find it in official website. You can also call 1 14 to ask. As for the contact information of the cottage, it is actually relatively simple. Go to someone who sells knockoffs, and someone will tell you. Because most of the shanzhai machines are directly sold by manufacturers and have numbers.