As the social security base is incr

As the social security base is increased year by year, the social security expenditure in 2019 will increase by 230,000 compared with the previous year, the expansion of the second floor workshop will result in an increase of 380,000 renovations, and the provision for inventory decline will increase by 590,000. The rescheduling of the salary plan and other work incurred costs of 470,000. The increase in these costs made our annual management costs not decrease year-on-year.