The registered address of Shenzhen Mairui Transportation Equipment Co., Ltd. is located on the second floor of Building A2, Runteng Industrial Park, No. 4 Xishan Road, Jingbei Community, Shiyan Street, Bao'an District, Shenzhen. The registration authority is the Shenzhen Market Supervision Administration, and the legal representative is Duan Guotao. The business scope includes general business projects: LED traffic guidance screens, LED tunnel lights, tunnel photoelectric signs, LED display screens, PLC control equipment, tunnel intelligent control systems, highway tunnel electromechanical products, tunnel emergency telephone broadcasting system products, reflective signs, tunnel guidance signs, LED variable information boards, vehicle inspectors, electronic products, intelligent transportation equipment, LED photoelectric lighting, LED traffic signal lights, traffic facilities, electromechanical equipment, hardware materials sales and related technical consulting; Technical development and sales of computer software and hardware, intelligent traffic control systems, and plastic products; Domestic trade; Import and export of goods and technology. Except for projects prohibited by laws, administrative regulations, and decisions of the State Council, restricted projects must obtain a license before operation. Licensed business projects include the production of LED traffic guidance screens, LED tunnel lights, tunnel light signs, LED display screens, PLC control equipment, tunnel intelligent control systems, highway tunnel electromechanical products, tunnel emergency telephone broadcasting system products, reflective signs, tunnel guidance signs, LED variable information boards, vehicle inspection devices, electronic products, intelligent transportation equipment, LED photoelectric lighting, LED traffic signal lights, traffic facilities, electromechanical equipment, and hardware materials.