Production department says the yellow point in handle button , it is existed initially to protect the abrasive tool ,but they can't clean it totally,even though you let us re-work. They can't avoid to leave the yellow stain,it's a kind of protection for the abrasive tool .
We need your hopeful support for this point and you should tell your inspector this point, otherwise, we can't pass the inspection no matter how many times' re-work tasks... Besides,this yellow stain is inside the plastic lock, not very obvious,pls help to support us,thank you so much.