AP:
Goods deemed to meet the highest standards are stamped with the label "Nation A," which stands for "top end, irreplaceable, the best," according to the Web site. Those products are for senior politicians or government offices and not released to the general consumer market, said a customer service agent surnamed Dong.

谁要说不存在“国A”、“特供”，我跟他急。谁要说市场上买不到“国A”、“特供”，我也跟他急。人家做的本来就是打这个旗号用这个招牌的买卖。

"特供酒"、"特供大米"、"特供茶"、"国A"
http://search.china.alibaba.com/search/offer_search.htm?keywords=%22%CC%D8%B9%A9%BE%C6%22
http://search.china.alibaba.com/search/offer_search.htm?keywords=%22%CC%D8%B9%A9%B4%F3%C3%D7%22
http://search.china.alibaba.com/search/offer_search.htm?keywords=%22%CC%D8%B9%A9%B2%E8%22
http://search.china.alibaba.com/search/offer_search.htm?keywords=%22%B9%FAA%22