From my view, it has difficulty to control zip bag’s spec.
Because it may be taking a lot of supplier effort and investment also absolutely time for controlling quality of zip bag for only us.
However, perhaps they will help us for this case if we ask for. But I would not say that they will provide us 100% what we are expecting.
Could we attempt to improve the opening function to the highest performance or to the ultimate limit of M/C?
What if our M/C have to possibly support any quality level of zip bag, we will have no the improper opening issue in the future.
Practically, we have to run the M/C under the currently factors that we have to face up in real life working.
By the way, I will discuss with management for this case and find out the best alternative for us.
Thank you anyway. Keep improving for the best. Cheers