Dongguan B-Mark Electronics Co., Ltd. is a company specializing in production and sales of high-tech Bluetooth headset and digital products. Our company's purpose is to provide customers with...

Longgang district,shenzhen

In March 2013, OKSJ brand officially entered the development, production and sales of bluetooth headset;In October 2014, OKSJ's official website began to prepare for launch;In May 2015, OKSJ ...