(Yicai Global) Nov. 30 -- The Yicai Tech & Innovation Conference opened in Shenzhen on Nov. 29, and chemical giant BASF held the Optimism Forum on the sidelines. 

Yang Yudong, editor-in-chief at Yicai Media Group speaks to Zheng Daqing, senior vice president for business and market development for Greater China at BASF. 

Dr. Stephan Kothrade, president and chairman for BASF Greater China delivers a keynote speech. 

 Du Yan, vice president of Shenzhen's Urban Planning & Design Institute.