I am also having issues making contact since the beginning of March.
They were very quick to respond to my request to buy a new screen and sent me an invoice and instructions.
I paid that day, March 1st, and confirmed my shipping address.
They responded confirming the order March 2nd and said it should ship the next week.
Seven weeks later I have not received a screen and have never heard from them again. I did send e-mails on April 3rd and 14th asking for a shipping update, no reply.
I started a new case this Monday, got their auto e-mail response, but nothing since