Does Jieyang Shentong courier sell social security?

Hello, did Jieyang Shentong courier buy social security? Jieyang Shentong Express has bought social security, because the recruitment information of Jieyang Shentong Express shows that the working hours are from 8 am to 6 pm, and the working hours are not long. The salary is 3500 yuan+commission, and the payment of five insurances and one gold includes social security. Every Sunday has a holiday, so Jieyang Shentong couriers have bought social security.