Shenzhen Etistar Control System Co. Ltd was established in 2010. It belongs to ETI Group Limited located in Hongkong since 2005. We are a professional manufacturer for audio and video products. our factory passes the ISO 9001 and BSCI certifications, and our audio and video products are with CE, CB, FCC, and SAA certificate. Due to the expanding of COVID-19, we set up the production line for disposable face mask and KN95, etc, which have CE, FDA, EAC certificate, and GB2626, GB/T 32610 test report.we hope that we can work together to overcome the difficulties in 2020.