In order to alleviate the congestion of some roads in Shanghai, in the second half of 2007, the company undertook the LED variable sign guiding lane system project of Tunxi North Road. The LED variable sign designed and developed by our company was officially put into operation; The construction of the northern section of the channel reconstruction project will alleviate the traffic pressure brought by the construction of the Bund channel. According to the requirements of the Shanghai Traffic Police Corps, the company will set up electronic signs for the variable lanes of Tibet North Road and Haining Road. In the second half of 2008, the company also undertook Tibet. North Road Phase II LED Variable Road Sign Project. The introduction of variable signs in the main roads has played a significant role in relieving Shanghai's traffic pressure.