JPMorgan Chase Mortgage Complaint

JPMorgan Chase Mortgage department,

Home equity loan or line of credit Settlement process and costs Florida

I received a phone call and it said on my phone it was from a chemical company? i answered and they said what is your name. Never identified themselves. I said who is this they said Chase Bank. I said why does it say chemical company? She said what is your date of birth? then ss last - digits. I said you called me? you dont know my name? i said what is this regarding? They said your sobordination. Yes they must be chase then. I said i am telling a chemical company that didnt know my name nothing. I have already filed with you a complaint about this bank. They charged me in the past for a sobordination and dragged feet so long i lost my money i paid for it. interest rates went up so high i cancelled it they owe me that money for this -. I have already filed that complaint. they said they were calling because of that complaint. Should that not be in writing? I am again saying that they are wrong and filing again. no response to my complaint in writing. response on phone from a chemical company? Professional? what are they hiding?