Shenzhen Senlv Technology Co., Ltd. is a high-tech enterprise integrating R&D, design, production and sales,Its headquarter is located in the beautiful coastal city of Shenzhen. we are many factory branches in Ningbo,Dongguan and Sichuan.We have our own R&D team, mold development department, PCB chip production department, more than 300 workers, and 36 injection molding machines, which can fully meet the needs of customers for large orders. We can modify the shape of the product according to your requirements, customize the LOGO, and modify various functions for the product, such as Bluetooth name, prompt tone modification, etc. It is our advantage to undertake OEM/ODM orders.