
On July 7, 2022, a lawsuit was filed against our microphone product with patent number ZL201930003687.8In the end, the r···
On November 15, 2021, a lawsuit was filed against our conference microphone product with patent number 201830070383.9In ···
Qiyin will attend the Hong Kong Global Sources Autumn Electronics Fair from October 11th to October 14th, 2022.We sincer···
Qiyin will attend the Guangzhou IEAE Cross-border E-commerce Exhibition from September 4th to September 6th, 2022We sinc···