Yunhe, full name Weng Yunhe, is from Huangshi, Hubei Province. He graduated from Beijing University of Posts and Telecommunications with a master's degree in computer science. He is one of the founders of Super Express, a well-known Taobao through train optimization software. He is engaged in the research and training of Taobao through train optimization technology.

He focuses on the research and development of search and natural language processing technology, machine learning technology and products. He has rich experience in Internet advertising and search engine optimization. Yunhe's through train articles are widely praised. Many of his articles have been published in the seller's journal. His representative works include "Talking about Taobao Through Train", "Brief Talk about Through Train ROI", and "11 Things You Must Know About Wireless Through Train".