Xu Qijin spends his working days checking and repairing high-voltage power components or in his workshop inventing new devices.
Xu, 54 and a Party member, has been working in the local power company in Suzhou, Anhui province, for 35 years. He has won seven patents and five more are pending.
The devices invented by Xu have become popular within the State Grid.
IEC 60331-23：Tests for electric cables under fire conditions – Electric data cables