History



2015

Self-developed
 ±320kV XLPE DC cable accessories
 was put into normal operation in Xiamen ±320kV XLPE flexible HVDC power transmission project, which was with 
the highest voltage level and the biggest transmission capacity at that time. 

1983

Zhengyuan Yu joined company as director. 

1958

Changsha 
Cable Accessory factory was established. Listed as one
 of the four appointed cable accessories manufacturers under Ministry of Machine-Building of PRC. 

1997

Rename as "Changsha Cable Accessory Co.,Ltd".

2017

Listed on SME Shenzhen. Stock code:002879.

2011

Renamed as Changlan Electric Technology Co.,Ltd. 

2005

Develop 
and operate
 220kV EHV power cable accessory successfully,the first one to realize the localization for 220kV product in China.

2008

Provide cable accessory in Beijing Olympic Venue and guaranteed the power supply
 of Beijing Olympic Games and awarded by the committee.

1996

Develop and operate 110kV HV power cable accessory successfully, the first one to realize the localization for 110kV product in China. 

2006

Built the biggest domestic R&D, manufacturing base and 500kV EHV laboratory of cable accessories.

2016

In Zhuhai power repair project, Changlan replaced 186 sets of 220kV cable accessories in 14 days with one-time-passed delivery test that created a miracle in cable accessories installation history.