What is the demand for tech talent at 海康威视? Based on job postings in the past year, “计算机/网络/技术类”占37.9%,“机械/仪器仪表类”占23.4%,“其他(研发和技术类)”占16.9%,“电子/电器/通信技术类”占16.6%,“电气/能源/动力类”占2.8%,“美术/设计/创意类”占2.3%,“生物/制药/化工/环保类”占1.8%,“医疗卫生/美容保健类”占1%,“科研类”占0.1%,“测绘技术”占0.1%,“农林渔类”占0.1%. For reference only.