The designations employed and the presentation of material in this information product do not imply the expression  of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations (FAO) or  Zhejiang University (ZJU) concerning the legal or development status of any country, territory, city or area or of  its authorities, or concerning the delimitation of its frontiers or boundaries. The mention of specific companies or  products of manufacturers, whether or not these have been patented, does not imply that these have been endorsed  or recommended by FAO or ZJU in preference to others of a similar nature that are not mentioned.