On March 28, 2015, the national development and reform Commission, the Ministry of foreign affairs and the Ministry of commerce jointly issued the vision and action to promote the construction of the silk road economic belt and the maritime silk road in the 21st century, with 18 provinces including Xinjiang, Shaanxi, Gansu, Ningxia, Qinghai, inner Mongolia, 3 provinces such as Heilongjiang, Jilin, Liaoning and 3 provinces in the southwest, such as Guangxi, Yunnan and Xizang, and 5 provinces in Shanghai, Fujian, Guangdong, Zhejiang and Hainan, and Chongqing in the interior.

Infrastructure interconnection is the priority area of " the belt and road initiative" construction. Grasp the key channel of traffic infrastructure, key nodes and key projects, give priority to the missing link, smooth the bottleneck road, complete the road safety protection facilities and traffic management facilities, improve the level of road access. Promote the establishment of a unified transportation coordination mechanism, promote the integration of international customs clearance, transshipment and multimodal transport, and gradually form compatible transport rules and facilitate international transport facilitation.

Guardrail as an important part of the road is particularly important. Safety is the first element of development, as the world's leading technology of rotating anti-collision guardrail, it is the first most beautiful scenery outside the country. Quality assurance, technical hard, national certification, assured the owners, beautiful appearance, national, the world.