I contacted Ritchie Choi with KOTECH INT'L CORP. on July 3rd 2015 to purchase listing 1775037. He promptly responded with a proforma invoice for $3800. I wired the payment and emailed him the proof of payment on July 4th 2015. For the last 6 weeks I have been trying to contact him and have received no response. He ignores all my emails and I feel that he has stolen my money. The last correspondence I received from him was the proforma invoice sent to me on July 3rd from the email address email@example.com.