"Qixin is an excellent researcher who finds answers to difficult questions and reports the results effectively. He checks all possible sources and doesn't give up when seeking answers. I strongly recommend his work."

"This project was an extension of the initial project relating to Qingdao history. The research and reporting work on this project was also excellent. The written report was extremely good. This research related to another long-gone historical building from the foreign concession period. He was determined to find the location and he did along with old photos from when it was still standing. I recommend him highly and look forward to working with him again."

"The research and reporting work on this project was excellent. The researcher demonstrated in-depth knowledge of the topic. He found the locations of long-gone historical buildings and old photos of the same. His detailed analysis of architectural features helped distinguish between buildings that looked very similar. I recommend him highly and look forward to working with him again."