With the development of internet deeply rooted in the heart of its people, government agencies, state-owned companies have largely increased work efficiency, thus the working environment has also become more relied on network and more digitized, same is with audio-visual construction. In project campaigns, conferences, performances, or government informational transit, amplification program is required to be refined, reliable, to encourage quality environment.

Since always, Longjoin has gained great trust for providing quality projects for government and companies, from sound box selection to entire system design, it attends carefully even to the details of amplification. it grasps the special features of government and state-owned environment, such as court, weather bureau, military, office, besides insurance of safety, tailor customize correspondent programs. In different government atmosphere, either speech or music amplification is or higher requirements, audio/video high-def and with higher fluency, interconnection among rooms, effective information transmission can well be achieved, other than that, smart control can be integrated to build high-efficient working environment, thus more focus on communication and more attentive matter. Endeavor to perfect site experience, encourage government and state-owned to be close to public opinion and serve the people.