COOPER CITY, FL (MARKET WIRE) China Direct Trading Corp. (OTCBB: CHDT) today announced that the its Overseas Building Supply (OBS) subsidiary has expanded the marketing and sales channels for imported clay roof tiles to include the following two new regionally focused web sites. The West Coast Roof Tiles (www.westcoastrooftiles.com) and Florida Roof Tiles (www.floridarooftiles.com) web sites were specifically created to provide