Thai FPC process was made aware of this issue, by inform everyone include our supplier (ARS CHEMICAL THAILAND CO., LTD.) to acknowledge and sent the sample carcass cockroach to ARS CHEMICAL for analyze source of the species. Thai FPC has received your information and investigate the root cause by check our record (Insect Daily Record) never found cockroach in our process. (Refer : ARS CHEMICAL REPORT)
However, we will provide any information we discover as to the root cause for the issue.