Standard: CE Number: LCS1505120573E Issue Date: 2015-05-20 Scope/Range: Conference system Issued By: Shenzhen LCS Compliance Testing Laboratory Ltd.

Standard: CE Number: LCS1505120568S Issue Date: 2015-05-20 Scope/Range: Conference system Issued By: Shenzhen LCS Compliance Testing Laboratory Ltd.

Standard: CE Number: LCS1505120572E Issue Date: 2015-11-20 Scope/Range: Infrared ray wireless conference system Issued By: Shenzhen LCS Compliance Testing Laboratory Ltd.

Standard: CE Number: LCS1505120569S Issue Date: 2015-05-20 Scope/Range: Infrared ray wireless conference system Issued By: Shenzhen LCS Compliance Testing Laboratory Ltd.

Standard: CCC Number: 2018010802079048 Issue Date: 2018-06-05 Expiry Date: 2023-06-05 Scope/Range: Amplifier（audio power amplifier） Issued By: China Quality certification centre

Standard: CCC Number: 2018010805098948 Issue Date: 2018-07-31 Expiry Date: 2023-07-31 Scope/Range: Digital conference system main controller（Audio and video device with memory store）） Issued By: China Quality certification centre

Standard: CCC Number: 2018010805099035 Issue Date: 2018-07-31 Expiry Date: 2023-07-31 Scope/Range: Digital AV media matrix processor（Audio & video memory store）） Issued By: China Quality certification centre

Standard: ISO environmental management system certificate Number: 30220E00100R0S Issue Date: 2020-01-16 Expiry Date: 2023-01-15 Scope/Range: The environmental management activities Issued By: Beijing zhonghui Hengtai Certification Co., Ltd.

Standard: ISO occupational health and safety management system certificate Number: 30220S00076R0S Issue Date: 2020-01-16 Expiry Date: 2023-01-15 Scope/Range: the occupational health and safety management activities Issued By: Beijing zhonghui Hengtai Certification Co., Ltd.

Standard: ISO Quality management system certificate Number: 30220Q00193R0S Issue Date: 2020-01-16 Expiry Date: 2023-01-15 Scope/Range: Development of audio equipment and its software Issued By: Beijing zhonghui Hengtai Certification Co., Ltd.

Standard: CE Number: LCS1505120573E Issue Date: 2015-05-20 Scope/Range: Conference system Issued By: Shenzhen LCS Compliance Testing Laboratory Ltd.