At the moment when the epidemic has pressed the "pause button" on society, the country has intensively introduced a series of related policies to resist the impact of the epidemic and economic slowdown, vigorously promoting the construction of "new infrastructure", making it the focus of attention from all walks of life. In fact, "new infrastructure" is not a new term. As early as the Central Economic Work Conference held at the end of 2018, the positioning of strengthening "new infrastructure construction" was proposed.

'New infrastructure' is an infrastructure construction focused on the technology side, which will have a strong driving effect on the entire industry chain in seven major fields. Under the wave of 'new infrastructure', China's intelligent transportation industry will undergo tremendous changes. Intelligent transportation not only belongs to artificial intelligence, but also is closely related to big data, industrial Internet, new energy charging piles and other fields. Its position and significance in the "new infrastructure" strategy are obvious.

The construction of intelligent transportation is a socialized system engineering that involves various aspects. It includes new intelligent infrastructure such as sensors, communication systems, and peripheral facilities, intelligent transportation tools such as autonomous vehicles, and innovative services such as shared cars, meeting the needs of multi-level travel service systems, intelligent management systems, and logistics systems. Under the policy of "transportation power"+"new infrastructure", with the convergence of cutting-edge technologies such as artificial intelligence and the Internet, and the continuous increase of capital investment, the intelligent transportation industry will become a new focus of attention.

In the entire intelligent transportation system, smart sensors play an irreplaceable and important role, just like human facial features, and have a wide range of applications in various fields of transportation. In actual transportation, intelligent sensors are applied in vehicle detection, traffic flow investigation, traffic event detection, traffic guidance, speeding monitoring, electronic checkpoints, electronic police, and traffic light control, monitoring the "health" of the city.

At present, monitoring methods such as big data, geomagnetic, video, and radar can provide multimodal data. Among them, millimeter wave radar has obvious technological advantages in the field of intelligent transportation, becoming the "smart eye" that opens up the field of intelligent transportation. Millimeter wave radar can collect objective and effective road traffic information, obtain basic data such as traffic flow, vehicle speed, and vehicle type, thereby realizing intelligent means such as monitoring, control, analysis, decision-making, scheduling, and guidance, and providing technical support for intelligent transportation.

With the vigorous development of intelligent transportation in China, the demand for millimeter wave radar market is constantly increasing. Many domestic enterprises have begun to increase their research and development efforts, and have made certain breakthroughs in the field of millimeter wave radar, with intelligent traffic radar as the main application direction. Among them, Dongjin has been deeply involved in millimeter wave radar, ultrasonic radar, cameras, and unmanned driving related connectors, and has keenly perceived the broad application scenarios of millimeter wave radar and cameras in the field of intelligent transportation. With its own technological accumulation, it quickly occupied the market and gained a competitive advantage.