What is Xu Dali's position? Chen Guangxin Material Supervisor

Xu Dali: Male, born in 1953, China nationality, with no right of abode abroad. He once worked in the Chemical Plant of Wuhan University and Hubei Wuda silicone New Materials Co., Ltd. ... from May 2004 to May 2005, he was the chief engineer of Wuhan Tianmu Technology Development Co., Ltd., from June 2005 to August 2007, he was the engineer of Jiangsu Chenguang Coupling Agent Co., Ltd., and he has been the company engineer since September 2007.