Qinhuangdao Scarlett Special Purpose Vehicle Manufacturing Co., Ltd., which has been engaged in road construction and maintenance machinery for more than 30 years, is one of the professional road preventive maintenance manufacturers in China. The company has a registered capital of 58 million yuan, covers an area of 100 mu, and a workshop area of more than 20000 square meters. It has professional processing equipment and intelligent engineering vehicle assembly production line, with an annual output value of nearly 100 million yuan. The company has 150 employees, including 35 professional and technical personnel and 15 middle and senior technical personnel. At present, there are "two centers, one studio" research and development and innovation platforms, such as Qinhuangdao Intelligent Engineering Vehicle Engineering Technology Center, Hebei Road Intelligent Maintenance Equipment Technology Innovation Center, and Liu Xiaojun Provincial Innovation Studio.