late payment and incompetency

<p>Iam a service provider who submited my invoices to the department of health head office polokwane ..I did the invoices and signed as requested but i have not been payed and iam not getting any answer or feed back from them..They hardly answer their telephone and when they do they just transfer me from one department to another ..i do not get the answers i need and i also get different stories.. please assist </p> <p>company name is NWAMADANCI TRADING(pty)ltd</p> <p>order number/invoice number</p> <p>3- ********** 3</p> <p>3- ********** 1</p> <p> </p>