Dongguan Yu Zheng Smart Technology Co, Ltd is a modern high-tech company integrating Bluetooth headset product design, research and development, manufacturing and sales. We have our own factory and SMT factory which is local in Liaobu, Dongguan, with a factory area of more than 10, 000 square meters and more than 1, 000 employees. Have a perfect production process, monthly capacity of about 800, 000 to 1 million. We focus on product development, OEM and ODM, with our own registered brand. The company has 30 standardized production lines, 36 sets of electro acoustic testers, 20 sets of RF automatic testing systems, 80 sets of BT368 Bluetooth test machine, 40 shielded rooms, 20 sets of injection molding machines and so on. The company has perfect quality control system, its equipped with multiple levels of professional quality control equipment at home and abroad, the lab is equipped with high performance battery testing system, the microcomputer tensile testing machine, UV aging experiment box, precise salt spray experiment box, microcomputer constant temperature and humidity testing machine, audio frequency sweep signal generator, etc., well-equipped. The company has passed ISO9001: 2015, ISO14001: 2015 certification, BSCI and MFI, and strictly in accordance with the international quality standard system for the whole process control, to provide customers with satisfactory services. BQB Bluetooth certification, CE, FCC, RoHS certification, has more than 20 product appearance and utility model patents, through Hi-res audio certification, in strict accordance with international standards to produce high-quality products, products are exported to the United States, Europe, Russia and Southeast Asia The company has always been committed to the acoustic field of continuous exploration, shoulder the charm of music highly reappearance of the corporate mission.