I regret to inform that after I repair API coupler.It still leaks.Now it is damaged 5 pieces.It is possible that you will help us to diagnose.We will send it back to you 1 piece.
I regret to report that After I repaired API coupler then it was still leaking and now it gets a 5 piece, then it is possible that you will help us to analyze why we will send it back to you in one piece.
I regret to inform that after I fix the API coupler and it was still leaking again now it damages the amount 5 pieces do you will help to analyze the cause, we I will send them back to you 1 pieces .