Summary：The city of Duisburg, Germany s biggest inland port, is on one end of the Chongqing-Xinjiang-Europe rail line, which opened in 2011 from the Chinese southwest city of Chongqing

In recent years, more and more trains operated by the China Railway Express (CRE) from Zhengzhou, Wuhan, Suzhou, Yiwu and other Chinese cities are arriving here.

It takes only 13 days for goods to arrive in Duisburg from Chongqing by rail, 30 days less than by sea, and at a fifth of the cost of air freight.

According to industry experts, the China-Europe freight train services have been providing solutions for the international logistics industry and promoting international trade ties and economic development along the Belt and Road Initiative countries.

CRE conducts freight transportation between China and Europe. The trains bring unlimited business opportunity and bring Duisburg and China much closer, Mayor of Duisburg Soeren Link told Xinhua in a written interview.

More and more frequently, Duisburg is called as "China City", he added.