Sinotrans operates railway freight connections from four centers in China. The operation centers are in
Guangzhou,
Shenzhen and
Dongguan in
Guangdong, and in
Changsha,
Hunan. The international railway freight network is an implementation of the
Belt and Road Initiative. Among the China-Europe express freight train routes is a link between
Shenzhen and
Duisburg, which travels through Kazakhstan, Russia, Belarus, and Poland. In Southeast Asia, Sinotrans established a service between Shenzhen and
Vientiane in December 2021 after the opening of the
Boten–Vientiane railway with the newly opened segment also forming a continuous railway route between Singapore and Portugal. ==History==