The people's governments at all levels and the working departments of the people's governments at or above the county level shall do a good job in handling letters and visits, carefully handle letters, receive visits, listen to the opinions, suggestions and demands of the people, accept the supervision of the people and strive to serve the people.

The conference room of Guilin Bureau of Letters and Calls in Guangxi uses Ruigao intelligent DMIX speaker, power amplifier, conference microphone, processor and other sound reinforcement system equipment.

After the final debugging, the audio sound reinforcement system of the conference hall has been greatly improved and optimized in terms of sound texture, flexibility and efficiency, and has been affirmed and recognized by on-site staff.