hatsan pump in for repair

i gave my hatsan pump in for repair and estelle said it will take 6 to 8 weeks but its going for 11 weeks and i still dont have my pump every time i call them they have excuses the first time they said that the shipment is late , the second time was 9 weeks after i gave my pump in they said that my pump will be here that friday but i got nothing , the third time was 10 weeks after i gave in my pump the maneger said i will get it on monday the latest but i did not recieve my hand pump and i called them monday and they said i will get my pump this week and i am still waiting to get my hand pump