Cisco Sees China as Center of World Tech Market  BEIJING (Reuters) - Cisco Systems Inc. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=CSCO.O qtype=sym infotype=info qcat=news"&gt;CSCO.O&lt;/A&gt; Chief  Executive John Chambers said China was well on the way to  becoming the world's technology hub as he revealed plans for  his company's first research center in the country.