Certificate of good faith

Our company obtained the contract and good faith certificate on September 07, 2022.

Member of China Electronics Society

On July 15, 2020, China Electronics Society awarded our company the certificate of member unit of Audio Engineering Branch of China Electronics Society.

Our company obtained ISO certification on September 23, 2022.

Our company obtained ISO 9001 certification on September 23, 2022.

Credit rating certificate

Our company obtained the credit rating certificate on September 07, 2022.

Certificate of honor for honest manager

Honor certificate of good faith entrepreneur

Certificate of good faith management demonstration unit

Our company obtained the certificate of good faith experience demonstration unit on September 07, 2022.