What is the treatment of melting workers in Guiding Qi Jing Glass Factory?

According to the recruitment information, the salary is average.

The company's pre-tax annual salary in the recruitment announcement at the time of school recruitment in April was 6.4-8 W. Then the average monthly income is about 5300-6600. But this is before tax. After deducting five insurances and one gold, if 1000 is deducted, it may be around 4300-5600.

During working hours, the management post did not say whether to work at night, but the grass-roots post said there was night shift.