The Shenzhen Municipal Bureau of Letters and Calls is a newly formed unit of Shenzhen's institutional reforms. Responsible for guiding, coordinating, and supervising the city's petition work, handling letters, visits, calls and online petitions assigned by the municipal party committee, municipal government and higher-level units; responsible for organizing and coordinating the reception activities of leaders of the municipal party committee and municipal government, and handling the municipal leaders' electronic mailboxes. pieces. The main functions are: to formulate relevant local laws, regulations and policies for petition work, and organize their implementation after approval; be responsible for guiding, coordinating and supervising the city's petition work, and handling letters, visits, calls and online petitions assigned by the municipal party committee, municipal government and higher-level units matter. Responsible for organizing and coordinating the reception activities of the leaders of the municipal party committee and the municipal government, and handling the letters and visits related to the electronic mailboxes of the municipal leaders. According to the "Regulations on Letters and Visits", put forward suggestions for improvement of work and administrative sanctions to relevant administrative organs and staff. Handling petitioners' reexamination and review petition matters to the municipal government; organizing and guiding public hearings on major petition cases. The Municipal Bureau of Letters and Visits shall make full use of modern information technology, strengthen the construction of "smart letters and visits", study and judge from the source, and prevent the occurrence of letter and visit problems.

The video display equipment on the first floor of the petition commander and remote video reception equipment project of the Shenzhen Municipal Bureau of Letters and Calls adopts our P1.5 small-pitch high-display LED products. P1.5 product, refresh up to 3840HZ, frontal horizontal viewing angle: ≥160°; vertical viewing angle: ≥140°; The density is up to 422,500 points/㎡; it adopts a high-definition video control system, and the main control is a professional-grade LED display control device; it has powerful video signal receiving, splicing and processing capabilities, and can receive high-definition digital signals with a maximum of 4096 × 4096 pixels; support DVI, SDI, HDMI digital interface, seamless switching between multi-channel signals; support splicing, scaling, maximum support 3 images plus 1 channel OSD display function, can be connected with TCP/IP protocol central control, can meet the use requirements of the command hall; system wiring Reasonable, scientific configuration design; with perfect effect and delicate picture quality, it has been highly recognized by the management;

The conference room on the second floor of the petition commander and remote video reception equipment project of Shenzhen Municipal Bureau of Letters and Calls also uses our small-pitch P1.2 LED display products. The overall display effect of the screen is fine and clear. tail phenomenon; the module of the display screen adopts the latest minibox series products, the single sheet size is 320×160mm, the pixel density is 640000 points/㎡, the refresh rate is as high as 3840Hz, and there will be no flickering and shaking phenomenon when shooting with a mobile phone or a camera; the front Horizontal viewing angle ≥160°. The whole body of the module is made of die-casting aluminum, and the ultra-thin mini series is not deformed. The front maintenance split design does not require disassembly tools to facilitate maintenance; iCool three-dimensional heat dissipation greatly improves the heat dissipation intensity, and the intelligent AI single-mode data set storage function corrects and automatically reads back technology; The intelligent AI dehumidification function preheats the lamp beads and evaporates the moisture inside the lamp beads to cope with the southern weather, so as to solve the user's worries; at the same time, it is equipped with the Jingxian Times III control system, which provides great convenience for the Shenzhen Municipal Bureau of Letters and Calls to receive visits. The visual display of the meeting was further strengthened, the work efficiency was improved, and it was well received by the management.