Bad service and lost shipments

Packages shipped to me via Dawn Wing now disappeared for the second time in two weeks. After first time it was reshipped by supplier and the package "disappeared" again. Now it is shipped by supplier for the third time and nobody can tel me when I will receive it. Last update "hopefully by the end of the week" Worst of all throughout this ******up everybody will get back to you but this dont happen if you dont follow up again. Then they blam the thirt party.... which is not my problem.