For the shelf life ,usually if customer have no requirement our QC will offer the COA with 2 years shelf life , if customer request to offer COA with 3 years shelf life .
But we can offer the COA with 3 years shelf life , because we have the stability data .
Please don’t worry about the data we give you ,that all according to the physical truth---the data in our hand.
Hope you and customer can understand that .
Thanks&best regards
Linda
Dear Lek,
Our QC is checking your COA as per USP38.
In order examine Qilu COA with this USP38, can Qilu , please, send their retained sample of any 2 batch ,produced more than 2 year.
Sample qty =10 gm/batch.
Best Regards,
Jirarat Kittikunadul”