\n");
document.write(" \n");
document.write(" Through search Engines \n");
document.write(" Through similar sites \n");
document.write(" Through corporate advertising \n");
document.write(" Through B2B website platform \n");
document.write(" Through friends'' introduce \n");
document.write(" Through other ways \n");
document.write(" | \n");
document.write("
\n");
document.write("