... to JOYSTAR , we are Dongguan Joystar Electronics Co., Ltd , a Manufacturer, Supplier and Exporter for all kinds ... and sell call center headset . call center headphones . Our products include Call Center Products :We designed for the call center application, health, ... INFO Dongguan JOYSTAR Electronics CO., LTD Sales office address : 7A202 New Business Center Qiaotou Town Dongguan City Guangdong CHINA ...