Wang Mengjiao: Male, born in 1940, American nationality, Han nationality, doctoral student. /kloc-0 worked in Beijing Rubber Industry Research and Design Institute from September 1964 to September 1982,/kloc-0 worked in the Institute of Physical Chemistry of Solid Surfaces of French Academy of Sciences from September 1982 to June 1985. June1985-August 1986 was a visiting scientist in the laboratory of Professor Kelly in university of akron, USA. 1From August 1986 to February 2065438, he served as professor, senior engineer, chief engineer of Beijing Rubber Industry Research and Design Institute, visiting scientist of German Rubber Industry Research Institute, and German. 2011March has served as the director of the company, the chief expert of Soft Holding Co., Ltd., the director and general manager of Yiweiyi Rubber Research Institute Co., Ltd., the adjunct professor of beijing university of chemical technology, and the legal representative and executive director of Stone Testing Technology Co., Ltd..