Mr. Liu Guoxian is served as the General Manager of Shandong Tongcheng Medicine Co., Ltd. After Gratuated from Yangkou Salt Vocational School, he started his career at the age of 18. At the very begining he worked as a salesman but was soon promoted to a regional sales manger with his hard work and persistent efforts. In 2005, he started his own business by establishing Shouguang Wanao Chemical Co., Ltd . With the continual development, Shouguang Wanao Chemical Co., Ltd was grown to Shandong Tongcheng Medicine Technology Co., Ltd in 2009 as we know today.

Mr. Su Guangming has been serving as the Vice General Manager of Shandong Tongcheng Medicine Co., Ltd in 2009. Previously he served as the sales manager of Wuxi Aolingte Solvent Cleaning Technology Co., Ltd. Mr. Su received a B.S. in computer from FUDAN University.

Mr. Li Xinhua has joined Tongcheng as Safe & Environmental Production Manager since 2012. Prior to joining Tongcheng, Mr. Li served as the same position in Shandong Futong Chemicals Co., Ltd and Shandong Caiyangzi Saltworks Co., Ltd. In 2019, he has named the plant production manager. He has received a B.A. in administrative management from Shandong University.

Ms. Wuying has been serving as Financial Manager for Shandong Tongcheng since 2009. Previously Ms. Wu served as the accounting supervisor in Wuxi Aolingte Solvent Cleaning Technology Co., Ltd. Ms. Wu received degree of semi-senior accountant.

Mr. Miao Jun was appointed as QA manager of Shandong Tongcheng in 2009. Previously Mr. Miao serves as the Deputy production manager of Shouguang Wanao Chemical Co., Ltd and QA manager of Wuxi Aolingte Solvent Cleaning Technology Co., Ltd. Mr. Miao received degree of chemical engineering.