What is the demand for tech talent at 海南矿业? Based on job postings in the past year, “地质矿产冶金”占12.5%,“生物/制药/化工/环保类”占10%,“电气/能源/动力类”占7.6%,“其他(研发和技术类)”占5.9%,“机械/仪器仪表类”占5.2%,“计算机/网络/技术类”占2.8%,“科研类”占2.4%,“电子/电器/通信技术类”占2.1%,“医疗卫生/美容保健类”占1%. For reference only.