Quan-Sheng Shu

[1] Born in China,[2] he has a Ph.D in physics and is also the President of AMAC International, a high-tech company with offices in his hometown of Newport News, Virginia and in Beijing.

He worked at the University of Washington, in the Superconducting Super Collider project, and at Northrop Grumman.

[citation needed] Shu was arrested[1] and convicted[2] on 17 November 2008[3] for being involved in the People's Republic of China's systematic effort to upgrade their space exploration and satellite technology capabilities by providing technical expertise and foreign technology acquisition in the fields of cryogenic pumps, valves, transfer lines and refrigeration equipment, components critical for the use of liquefied hydrogen in a launch facility.

His petition was approved by the court on 4 June 2014, making Shu once again a free man.

He has services including Proposal Writing, Book Publishing, Paper Preparation, Technical Consulting, & Workshops and Training; you can find out more on his website https://www.cryospc.com/