Does Shanghai Jiading Volkswagen Factory have it? How is the treatment there? Can you elaborate on what you know?

Public workers, who work overtime or something, can get about 3500 a month, with a basic salary of 2000+, and then bonuses or something are included in their wages every month. Then there will be a half-year award of about 6000+ and a year-end award of about 8000+, and then a double salary will be paid for two to three months continuously every year 10~ 1 1.