by {0}Shenzhen Joyin Technology Co., Ltd ![](https://s.alicdn.com/@img/imgextra/i1/O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png)
Multispecialty supplier
{0} years
Guangdong, China
Main categories: TWS Earbuds/ Bluetooth Speaker/ Smart Watch
Testing instruments (8)
Registered trademarks (1)
Finished product inspection
On-site material inspection