David Ma
China senior marketing manager at Tennant China
Nearly 17 years experience in different role of marketing and advertising area, worked in well-recognized media agency, creative agency, high-tech company and multinational manufacture.
岚 Crystal
digital marketing manager at Tennant China
almost 10 years experience in integrated digital marketing .Strong ability of digital strategy and data analysis. Crystal has in-depth understanding digital environment and development tendency .She is strategy, logical thinking ,proactive and success driven personality
