MA Qunxing, Chief Petrochemical Analyst of Guolian Securities, worked with Rhodia, Solvay, and Sanmina and has profound experience in R&D, logistics, marketing and technology. With 18 years working experience, Mr. Ma is an industry veteran of petrochemical industry chain.

马群星，现任国联证券研究所化工行业首席分析师，曾就职于新美亚、Rhodia和Solvay，历经研发、技术生产、采购、物流和市场销售多个职位，具有18年的行业经验，注重产业价值链竞争力研究。