Does Shaanxi Electric Power Cologne belong to the tertiary industry?

Don't belong. According to official website's inquiry, Shaanxi Electric Power Cologne Development Co., Ltd. is a wholly-owned subsidiary of Shaanxi Daqin Electric Power Group Co., Ltd., which was established in 1995 and registered in the new urban area. Xi 'an Mingzhu Electric Power Installation Engineering Co., Ltd. was established in 1990. It has the second-class qualification of national power transmission and transformation engineering construction, and can undertake the construction of transmission lines with the same voltage level, including cables and substations.