What is the demand for tech talent at 大华股份? Based on job postings in the past year, “计算机/网络/技术类”占23.2%,“其他(研发和技术类)”占11.6%,“电子/电器/通信技术类”占9.5%,“机械/仪器仪表类”占3.2%,“电气/能源/动力类”占2.5%,“生物/制药/化工/环保类”占0.7%,“医疗卫生/美容保健类”占0.5%,“美术/设计/创意类”占0.4%,“测绘技术”占0.3%,“科研类”占0.1%,“地质矿产冶金”占0.1%. For reference only.