Is it useful to apply for the HVAC senior engineer certificate to apply for the municipal second-level qualification?

Useful. Especially for those working in the engineering industry, if they can obtain a senior engineer certificate, they will be very popular in the industry. When applying for jobs, those with professional title certificates will generally be given priority over those without. The senior engineer certificate can be used in many ways, such as: applying for jobs, getting promoted and raising salary, determining the increase of pension, immigrating abroad, settling in the city, obtaining qualification certificates, affiliated companies to get commissions, etc., and for qualified companies, Senior engineers are also talents that are valued and prioritized by companies.