Vice General Manager of the Mudanjiang Gaoke Bio-Chem Company LimitedMr. Gao Lingcai is Vice General Manager of the Mudanjiang Gaoke BioChem Company Limited a subsidiary of China Zenith Chemical Group Ltd. He is mainly responsible for daily production of the Vitamin C division. Mr. Wu has over 15 years experience in production management of medicine manufacturing enterprises. He joined the Group in May 2009. He studied chemical medicine manufacturing at Shanghai Pharmaceutical Vocational College from 1985 to 1988.