Feature: Innovation turns switch producer into global energy solutions provider

SHANGHAI, May 26 (Xinhua) -- In CHINT Group's Shanghai transformer factory, robots are engaged in stacking silicon steel sheets as thin as 0.23 mm layer by layer according to design specifications, with a single robot capable of stacking over 1,680 layers in 24 hours, equivalent to the workload of six experienced workers in a day.

Another remarkable achievement is the use of oil in transformers. While transforme