The first stage: 1991 --1995 .
To get into the development and promotion of railway power automation products, the first railway network TMIS won the first prize of scientific progress of jinan railway bureau.
In 1998, the origin entered the development and promotion of railway power automation products.
In 2002, the telephone dial-up power monitoring device was successfully applied in the telle line signal tower.
In 2003, the YDG zc-i railway automatic occlusive high-voltage power line fault automatic resection and automatic remote management system won the first prize in the science progress of jinan railway bureau.
In 2004, the fifth speed of the railway was accelerated, and the developed products were fully installed and put into operation along the beijing-shanghai and beijing-shanghai railway lines.
In 2005, DYJK signal power monitoring system obtained software product registration certificate.