What is the demand for tech talent at Essilor? Based on job postings in the past year, “电子/电器/通信技术类”占25.5%，“医疗卫生/美容保健类”占13.7%，“计算机/网络/技术类”占5.8%，“生物/制药/化工/环保类”占0.5%，“电气/能源/动力类”占0.3%，“其他（研发和技术类）”占0.2%，“咨询/顾问类”占0.2%，“机械/仪器仪表类”占0.2%，“美术/设计/创意类”占0.2%. For reference only.
