What is the demand for tech talent at PPG? Based on job postings in the past year, “生物/制药/化工/环保类”占20.3%，“其他（研发和技术类）”占17.5%，“计算机/网络/技术类”占14.7%，“机械/仪器仪表类”占12.6%，“电子/电器/通信技术类”占11.2%，“医疗卫生/美容保健类”占4.2%，“电气/能源/动力类”占3.5%，“美术/设计/创意类”占1.4%. For reference only.
