AVAC为深圳市中恒佳华有限公司自主品牌，AVAC系列蓝牙耳机,工厂总部设在深圳宝安区，员工数百余人，系列产品有数十余款。工厂具有先进的生产设备和完善的质量保证体系。
深圳市中恒佳华有限公司是Bluetooth SIG的高级会员，部分产品已获得BQB证书和CE.FCC证书，公司系列产品面向全球市场打下了坚实的基础。
Youjoys Design is a Shenzhen packaging design company, specializing in: TWS & Bluetooth headset packaging design, mobile phone tempered glass film packaging design, Bluetooth speaker packaging design, mobile power packaging design, charger packaging design, data cable packaging design, network product packaging design, electronics Cigarette packaging design and other digital electronic product packaging design.
