COMPLAINT POOR FOLLOW UP SERVICE

I WAS REFERRED TO TECHNIFIX BY SAMSUNG AS AN AGENT FOR THEM TO REPAIR MY SAMSUNG WASHING MACHINE.ON TH 4/8/15 MY MACHINE WAS TAKEN TO DURBAN BY TECHNICIAN .IT WAS REPAIRED AND BROUGHT BACK ON THE 15/8/15.I USED MACHINE FOR THE 1ST TIME ON 17/8/15 AND FROM THE 21/8/15 IT STARTED GIVING ME THE SAME PROBLEM IT WAS REPAIRED FOR.ON MONDAY THE 24/8 I COMPLAINED TO RICHARD NAIDOO THE MANAGER AND HE SAID WILL FOLLOW UP AND CALL ME BACK.HAD NO JOY MADE SEVERAL CALL TO RICHARD ,DEVAN THE OWNER AND MANY OTHERS .ALL PROMISED TO HELP BUT NOTHING HAPPENED.I THEN SPOKE TO A LADY MY THE NAME KAYLA AND SHE SAID THAT SHE CANT UNDERSTAND WHAT GOING ON BECAUSE THE PARTS FOR MY MACHINE WERE ON ORDER AND THAT IT WAS NOT POSSIBLE FOR THE TECHNICIAN TO COME OUT TO ME THE PREVIOUS DAY. I ASKED HER WHY NEW PARTS WERE NOT USED ON MY MACHINE IN THE FIRST INSTANCE BECAUSE I PAYED FOR NEW PARTS AND SHE COULD NOT ANSWER.I FURTHER MADE SEVERAL CALLS TO TECHNIFIX WITH NO HELP TO DATE. MY JOB NO WAS 170400.I AM QUIET FRUSTRATED WITH THE LACK OF CONCERN AND THE LACK OF USE OF CORRECT PARTS ON MY MACHINE.AND THE FACT THAT THIS COMPANY DOES NOTHING TO ATTEND TO MY COMPLAINT.