Qingdao Taihao Tyre., Ltd review: Tires

Hi,
I am Dur Mohammad from Iran.
I have imported tires from this manufacturing company in China recently.
They promised high quality tires but in reality the tires are really made with poor quality material which are prone to burst on 2-3 days of installation which is endangering the life of my clients of course and secondly i have paid a heavy price for these cheap tires that my customers are reluctant to buy now that many have seen its poor quality.
Me and this company already discussed everything before starting business i sent them my road conditions and asked if the tires are compatible enough to which they satisfied me.
I have written many mails to them asking for taking responsibility of their poor quality but everything went in vain.
It will be very helpful of you guys if you guide me how i can claim against them?

Best regards,
Dur Mohammad