F. Duerr & Sons Ltd. is an independent British manufacturer of jam, marmalade, peanut butter and preserves, based in Wythenshawe, an area of what country?
F. Duerr &amp; Sons: F. Duerr & Sons Ltd. is an independent British manufacturer of jam, marmalade, peanut butter and preserves, based in Wythenshawe, Manchester, England.
i don't know