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.
Zhengyuan Yu joined company as director.
Changsha Cable Accessory factory was established. Listed as one of the four appointed cable accessories manufacturers under Ministry of Machine-Building of PRC.
Rename as "Changsha Cable Accessory Co.,Ltd".
Listed on SME Shenzhen. Stock code:002879.
Renamed as Changlan Electric Technology Co.,Ltd.
Develop and operate 220kV EHV power cable accessory successfully,the first one to realize the localization for 220kV product in China.
Provide cable accessory in Beijing Olympic Venue and guaranteed the power supply of Beijing Olympic Games and awarded by the committee.
Develop and operate 110kV HV power cable accessory successfully, the first one to realize the localization for 110kV product in China.
Built the biggest domestic R&D, manufacturing base and 500kV EHV laboratory of cable accessories.
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.