Workshop processing, generally piecework, does more, but not much.
Workshop workers are generally around 2000, which is not bad. (It must be a few years' work, and hundreds of years' apprenticeship.)
Five insurances and one gold, often work overtime, and there is basically no overtime pay for overtime work (meter tube).
There is no treatment, no bonus and other things, only salary.
However, enterprises are relatively large and relatively easier than foreign-funded enterprises. Can learn something