Brief introduction of radio and television through train

Guangzhou Guangdian Yuntong Financial Electronics Co., Ltd., formerly known as Guangzhou Guangdian Yuntong Financial Electronics Co., Ltd., was established in 1999, and was changed to Guangzhou Guangdian Yuntong Financial Electronics Co., Ltd. in June 2005. Its securities Guangdian Express (code: 002 152) was officially listed on August 13, 2007.