What is the demand for tech talent at Siweier? Based on job postings in the past year, “Mechanical/Instrumentation”占23.5%,“Other (R&D and Technical)”占6.7%,“Computer/Network/Technology”占2.5%,“Biology/Pharmaceutical/Chemical/Environmental Protection”占1.7%,“Electronics/Electrical/Communication Technology”占1.7%,“Electrical/Energy/Power”占0.8%. For reference only.