All right. Zhengzhou, the capital of Henan province, has a developed economy and a large population, and needs a large number of technical talents. Electric welding is very profitable, and Henan Electric Welding Technology Training Center has a good job in Zhengzhou. Zhengzhou, called Shangdu in ancient times and Greentown today, is a prefecture-level city, provincial capital and megacity under the jurisdiction of Henan Province.