According to the Catalogue of Skilled Workers in Beilun District issued by the Human Resources and Social Security Bureau of Beilun District, Ningbo City, skilled workers in short supply include electricians, welders, machinists, fitters, lathe workers, milling workers, cutters, assemblers, mold workers and sheet metal workers. These types of jobs have a great demand for employment in Beilun District, and the market is in short supply.