Beijing, June 4, SPA -- The U.S. commerce secretary warned China on Saturday of a potential political backlash in Washingtonamid tensions over mounting Chinese trade surpluses,surging textile exports and rampant product piracy. "Respectfully, I don't believe that there is fullappreciation in China for the level of political pressurethat we face with respect to our relationship," CarlosGutierrez told his Chinese counterpart, Bo Xilai, as theystarted an official meeting. Bo hinted at the tensions, saying there were "some points of debate" between the two governments. However, heinsisted that "only on the basis of mutual benefit can wemake our trade and economic relationship bigger." Details of the rest of their talks weren't immediatelyreleased, according to a report of the Associated Press.--SPA1402 Local Time 1102 GMT www.spa.gov.sa/267363