How is the treatment in Linyi tianyuan group?

I don't know what your major is. I majored in civil engineering. I just signed an agreement with this company. The salary is average. The probation period is three months, and 1500 will be paid by the company. The salary after the probation period shall be paid by the project department. Depending on the benefit and personal ability of the project department, the reply of the human resources department after becoming a full member is 1800-2500.